Closing the Loop on Diagnostic Test Results for Older People in Viet Nam: Clear Clinical Responsibility, Timely Communication and Reliable Follow-Up

Closing the Loop on Diagnostic Test Results for Older People in Viet Nam: Clear Clinical Responsibility, Timely Communication and Reliable Follow-Up

An older man living in a residential care facility undergoes a diagnostic scan at a hospital. The report identifies an unexpected finding and recommends further clinical assessment. A copy reaches the care facility and is added to his records. His family knows that the scan has been completed, but nobody is certain whether the responsible clinician has reviewed the recommendation or arranged the next step.

From an administrative perspective, the test may appear complete. The examination was performed, the report was issued, and the information was delivered. Yet an important part of the clinical process may remain unfinished.

Similar situations arise when older people receive care at home, attend outpatient appointments, or move between hospitals and long-term care services. A laboratory result may be available through an electronic portal but never discussed with the patient. A report requiring follow-up may reach a clinician who is no longer involved in the person's care. An investigation ordered before discharge may remain pending after the patient has returned home.

These situations illustrate an important distinction: making a diagnostic result available is not the same as ensuring that it has been appropriately reviewed, communicated, and acted upon.

For older people receiving care from several professionals or organizations, reliable follow-up depends on knowing who is responsible for the result, ensuring that information reaches the appropriate person, and confirming that necessary actions have been completed or properly transferred.

This process is commonly described as closing the loop on diagnostic test results.

For healthcare and older-person care organizations in Viet Nam, the challenge is to make that process reliable across different services without confusing clinical responsibilities with the practical support provided by families, residential care workers, and other non-clinical personnel.

A Diagnostic Result Is Part of a Continuing Clinical Process

Diagnostic testing is often understood as a sequence of ordering a test, performing it, and reporting the findings. In practice, the diagnostic process extends beyond those steps.

Results need to be interpreted in the context of the person's symptoms, medical history, examination findings, and other available information. They may help confirm a diagnosis, reduce uncertainty, identify an unexpected condition, or indicate that no additional investigation is currently necessary.

The appropriate response requires clinical judgment. An abnormal result does not always require urgent intervention, while a result within a laboratory's reference range does not necessarily exclude a significant health problem.

The process may also remain incomplete when a requested test has not been performed, a specimen is rejected, an examination is canceled without an appropriate alternative plan, or a report is delayed. An expected result that has not arrived should not automatically be treated as reassuring.

The World Health Organization highlighted these vulnerabilities during World Patient Safety Day 2024, which focused on improving diagnosis for patient safety.

WHO described diagnosis as a continuing process involving clinical assessment, testing, communication of results, coordination, treatment decisions, follow-up, and reassessment. Errors may occur at different stages, including when important diagnostic information is not communicated or acted upon.

The US Agency for Healthcare Research and Quality (AHRQ) similarly identifies test ordering and processing, result interpretation and management, and follow-up communication as important areas of diagnostic safety.

AHRQ's 2024 report, Current State of Diagnostic Safety: Implications for Research, Practice, and Policy, examines vulnerabilities across the diagnostic process, including those that can contribute to missed or delayed diagnoses.

A rapid review by Wright and colleagues, published in BMC Health Services Research in 2020, also identified communication failures, unclear responsibilities, and fragmented processes as important contributors to incomplete follow-up. The review highlighted the potential value of technology, clearer communication, and more reliable organizational arrangements.

Together, these sources support the principle of closing the loop: ensuring that diagnostic information reaches the appropriate people and that necessary clinical decisions and subsequent actions are not overlooked.

Closing the loop does not mean that every result must lead to another test, referral, or treatment. It means that the result has received appropriate clinical consideration, relevant information has been communicated, and any necessary next step has been completed, is being appropriately followed through, or has been explicitly transferred to an accountable professional or service.

Understanding What It Means to Close the Loop

A diagnostic result can pass through several stages before its clinical purpose has been fulfilled.

A report may be issued by a laboratory or imaging department, delivered to a clinical system, acknowledged by a healthcare professional, reviewed in the patient's clinical context, and communicated to the patient. Where further action is necessary, that action must also be appropriately arranged and followed through.

These stages are related but should not be treated as interchangeable.

A result marked as delivered does not establish that a clinician has reviewed it. Acknowledgment of an electronic notification does not necessarily mean that its clinical significance has been assessed. A documented decision does not establish that the patient understands the plan, and an issued referral does not confirm that the recommended consultation has taken place.

Some results require no additional intervention after appropriate review. Others may warrant further investigation, treatment, specialist assessment, or monitoring.

Where no further action is indicated, the clinical decision should be documented and communicated as appropriate. Where follow-up is needed, the organization should establish who is responsible, what action is expected, and how outstanding matters will be monitored.

Assigning responsibility is an important safeguard, but it does not automatically complete the process. If a clinically significant action remains outstanding, the organization needs an appropriate arrangement for ensuring that the task continues to receive attention until it is completed, reconsidered, or reliably transferred.

The process also needs to account for patients who decline a recommended investigation or treatment. An informed decision not to proceed is different from a referral that was lost or an appointment that was never communicated.

A reliable system therefore distinguishes the status of the information, the clinical decision, communication with the patient, and the outcome of any necessary follow-up.

The purpose is not to create more administrative steps. It is to make unfinished clinical responsibilities visible so that they can be addressed appropriately.

Why Results Can Be Lost Even When They Have Been Delivered

A diagnostic result may pass through several systems and people before reaching the professional responsible for deciding what happens next.

A laboratory may release the result electronically. A hospital may notify the ordering department. A clinician may receive an automated alert. A patient may download the report, while a family member forwards a photograph to another healthcare professional.

Each transfer creates an opportunity for delay, misunderstanding, or loss of information.

Some failures occur because the intended recipient never receives the report. Others arise because the information arrives but is not reviewed, or because someone assumes another professional will take responsibility.

A result may also be clinically reviewed without being communicated to the patient or without the recommended follow-up being arranged.

Electronic health records can improve access and communication, but they do not eliminate these risks. Large numbers of notifications, poorly configured alerts, incorrect recipient information, incomplete clinical records, and reports sent to accounts that are no longer actively monitored can interfere with reliable follow-up.

Paper-based systems have different vulnerabilities. Reports may be filed without clear acknowledgment, transferred between departments without tracking, or separated from the clinical plan explaining why the investigation was requested.

The 2025 SAFER Guide: Test Results Reporting and Follow-Up, published through the US Office of the National Coordinator for Health Information Technology and maintained through its official guidance resources, addresses the safety of electronic result communication and management.

The guide supports systematic assessment of whether electronic health record functions and associated workflows reliably communicate results, identify unresolved matters, and support appropriate follow-up.

Its relevance is not that every organization must adopt the same technology. Healthcare providers need to understand whether their information systems and work processes support the clinical responsibilities they are intended to serve.

For older-person care in Viet Nam, information may move between hospitals, specialist clinics, family members, residential facilities, and home-care providers using different communication methods.

The underlying risk is that a report can exist in several places while nobody has confirmed that the necessary clinical follow-up occurred.

Establishing Clear Clinical Responsibility

One of the most important questions in diagnostic result management is who is responsible for reviewing a result and determining what happens next.

In a straightforward outpatient encounter, the clinician who ordered the investigation may ordinarily be responsible for reviewing the result and arranging appropriate follow-up, subject to the organization's policies, professional duties, and applicable legal requirements.

More complicated arrangements arise when a specialist orders a test during hospitalization, a patient is transferred to another service, or the ordering clinician becomes unavailable before the result is released.

Responsibility should not depend on informal assumptions.

The US Centers for Disease Control and Prevention addressed this issue in its Core Elements of Hospital Diagnostic Excellence, published on February 4, 2026.

The CDC guidance identifies reliable communication of diagnostic findings to the clinician responsible for follow-up as an important patient safety practice. It also emphasizes clarifying responsibility for abnormal findings and strengthening coordination across the care continuum.

The framework was developed primarily for hospital diagnostic excellence programs, although its underlying safety principles can inform practice in other healthcare settings.

For healthcare organizations, reliable result management requires clear arrangements for receiving reports, reviewing findings, communicating urgent information, managing clinician absences, and transferring outstanding responsibilities when care changes hands.

These arrangements should distinguish between receiving information and accepting responsibility for a clinical decision.

A clinician who receives a copy of a report for information does not necessarily become responsible for managing the result. Similarly, a care coordinator who helps arrange an appointment does not assume responsibility for interpreting the finding.

Where clinical responsibility is transferred, the receiving professional or service should be identified, the relevant information communicated, and the transfer confirmed through an appropriate process.

Simply forwarding a report should not be treated as sufficient evidence that another professional has accepted responsibility.

The exact allocation of duties depends on the care setting, professional roles, clinical circumstances, and applicable law. There is no universal rule that every result must always be managed by the ordering clinician or by the organization most recently involved in the person's care.

The important safeguard is that clinically significant information does not become an unassigned responsibility.

Pending Results Require Particular Attention During Care Transitions

A vulnerable point in the diagnostic process occurs when an older person leaves hospital before all requested results are available.

The patient may have completed the examination, but a pathology report, microbiology result, or another investigation may still be pending.

The result may become available several days later, after the person has returned home or moved to a residential care facility. By then, everyday support may be provided by family members, community healthcare professionals, or care workers who were not involved in the original investigation.

If the pending result was not identified during discharge planning, the people involved in subsequent care may not know that important information is still expected.

Even when the result becomes available, it may not reach the professional responsible for determining whether further assessment or treatment is necessary.

This is more than a documentation problem. It is a potential gap in clinical accountability.

A reliable transition should distinguish between investigations that have been completed and reviewed, those that remain pending, and findings for which further action has already been recommended.

Relevant healthcare professionals should establish who will receive outstanding results, who will review them, and how necessary actions will be communicated.

Where another professional is expected to assume responsibility, the arrangement should be clear rather than presumed.

Older people and their authorized supporters may also need to know that results remain outstanding, when information is expected, and whom to contact if the agreed communication does not occur.

The CDC's 2026 diagnostic excellence guidance specifically recognizes follow-up of tests pending at hospital discharge as an important area for improvement.

For residential and home-based care services, the appropriate role may involve recognizing that information is missing, contacting the responsible healthcare team, and supporting agreed appointments or communication arrangements.

These activities should remain within the provider's lawful and agreed responsibilities.

The objective is not to transfer medical accountability to non-clinical staff. It is to ensure that important diagnostic information does not disappear from view when the person moves between care settings.

Managing Unexpected and Potentially Urgent Findings

Not all diagnostic findings carry the same level of urgency.

Some results require immediate clinical attention. Others warrant review within a clinically appropriate period, additional investigation, or reassessment if symptoms or circumstances change.

A report may also identify an unexpected finding unrelated to the original reason for testing. For example, imaging performed for one clinical concern may reveal an incidental abnormality for which the reporting specialist recommends further assessment.

Such findings can be vulnerable to follow-up failures when the report is sent to one professional but the recommended action is expected to occur elsewhere.

An unexpected finding is not necessarily a critical finding. Its significance depends on the clinical context, the nature of the result, and the potential consequences of delayed assessment.

Safe management therefore requires more than automatically highlighting abnormal values or forwarding every recommendation to another department.

Appropriately qualified healthcare professionals must interpret findings, determine their clinical significance, and decide what action is necessary.

Healthcare organizations should have arrangements for urgent communication and escalation when required, including situations in which the intended clinician is unavailable.

Communication methods should reflect the seriousness of the finding. A routine electronic notification may be adequate for some results but insufficient for information requiring immediate attention.

Relevant timeframes should be determined according to the clinical significance of the result, applicable professional and regulatory requirements, and the circumstances of the patient.

A single universal deadline should not be imposed on every laboratory, pathology, or imaging finding.

A completed notification also does not necessarily mean that the clinical response has been completed. An urgent result may have been successfully communicated while the recommended assessment, intervention, or referral remains outstanding.

A reliable system distinguishes between acknowledging the result, making a clinical decision, informing the patient, and completing or appropriately transferring the required action.

A Referral Is Not the Same as Completed Follow-Up

A recommendation for further assessment may appear in a diagnostic report, and a clinician may subsequently issue a referral.

From an administrative perspective, the referral may be recorded as completed once it has been sent. For the older person, however, the next step may still be uncertain.

The appointment may never be scheduled, the receiving service may not accept the referral, or the patient may be unable to attend because of mobility difficulties, transportation problems, costs, or other circumstances.

In some cases, the patient may choose not to proceed after an appropriate discussion.

These situations should not all be interpreted in the same way.

A referral that has been issued but never received may indicate a communication failure. A consultation that has been scheduled but not attended may require an appropriate response based on clinical risk and the person's circumstances.

An informed decision to decline additional investigation is different from a missed appointment caused by poor communication.

Healthcare providers should establish how clinically important referrals and recommended follow-up activities are monitored within their responsibilities.

The extent of follow-up should reflect the nature of the finding, applicable requirements, and the individual care plan.

The objective is not to guarantee that every patient attends every appointment or accepts every proposed intervention. It is to avoid treating a referral or communication task as complete when important responsibilities remain unresolved.

Where a patient declines an intervention, the decision and relevant discussion should be managed according to applicable clinical, consent, and documentation requirements.

Communicating Results in Ways Older People Can Understand

Older people should not be treated merely as passive recipients of diagnostic reports.

Many want to understand what their results mean, whether the findings affect their health, and what should happen next.

A report written for clinicians may contain unfamiliar terminology, numerical values, reference ranges, or recommendations that are difficult to interpret without explanation.

Some older people may also experience hearing or vision difficulties, limited health literacy, cognitive impairment, or barriers to using digital systems. These circumstances can affect whether they receive information and understand the agreed plan.

Good communication should reflect the person's preferences, abilities, and clinical situation. This may involve plain language, accessible written information, sufficient time for questions, or the involvement of an appropriately authorized supporter.

The explanation should distinguish what is known from what remains uncertain.

Where additional investigation or treatment is recommended, the person should receive an understandable explanation of the next step and the relevant arrangements.

Where no further action is currently indicated, that conclusion should also be communicated appropriately rather than leaving the person to infer it from silence.

An electronic portal can improve access to results, but it should not be assumed that every older person can use it independently or interpret the information without professional support.

Access to a laboratory report is not equivalent to receiving an appropriate clinical explanation.

Family involvement also requires care.

A family member who helps arrange appointments or access an electronic portal does not automatically have authority to receive all confidential medical information or make clinical decisions for the older person.

The person's preferences, legal rights, and applicable representation arrangements remain important.

Effective communication means helping the older person understand the available information and participate meaningfully in decisions concerning their care.

The Supporting Role of Residential and Home-Based Care Services

Residential long-term care and home-based support providers can contribute to reliable diagnostic follow-up, but their responsibilities must be distinguished from those of licensed healthcare professionals.

A care worker may accompany an older person to an appointment, help arrange transportation, or assist with accessing a report. A facility administrator may contact a hospital about a missing document. A caregiver may recognize that a recommended follow-up appointment has not yet been arranged.

These activities can support continuity without requiring clinical interpretation.

For example, if a hospital report states that further medical review is recommended, a residential care organization may help the resident contact the responsible healthcare service or arrange an appointment within its agreed role.

It should not independently determine whether the finding is clinically serious or whether the recommended assessment can safely be omitted.

Similarly, a home-care worker who becomes aware that an expected result has not arrived may help the older person contact the healthcare provider according to the service arrangements.

Where a result or communication indicates an urgent concern, staff should follow the applicable escalation procedures and obtain appropriate healthcare assistance.

They should not delay necessary contact while trying to interpret unfamiliar medical terminology.

Clinical interpretation, diagnosis, treatment decisions, and decisions about whether further medical investigation is needed must remain with appropriately qualified and authorized healthcare professionals.

The scope of support provided by a residential or home-care organization depends on its legal classification, authorized activities, workforce competence, and contractual responsibilities.

Some residential care organizations may also operate licensed healthcare services. In those circumstances, clinical activities must be undertaken by appropriately authorized professionals and governed by the relevant healthcare requirements.

Other providers primarily offer personal care, social support, or coordination services without authorization to conduct medical examination and treatment.

The practical objective is to support communication without confusing non-clinical coordination with professional medical responsibility.

Viet Nam's Legal Framework for Diagnostic Communication

Viet Nam's Law on Medical Examination and Treatment No. 15/2023/QH15, effective from January 1, 2024 and subsequently amended, establishes the principal legal framework for medical examination and treatment activities.

The consolidated text issued by the Office of the National Assembly as Document No. 26/VBHN-VPQH on February 26, 2026, provides an official reference incorporating the legislative amendments reflected in that document.

The Law addresses patients' rights, healthcare practitioners' professional responsibilities, clinical activities, medical records, and the obligations of medical examination and treatment establishments.

Article 9 recognizes patients' rights to receive information and explanations about their health condition and healthcare services, together with guidance on monitoring and caring for their health.

Article 10 protects patients' dignity and privacy in medical care, including the confidentiality of medical records and personal information, subject to applicable legal exceptions.

Article 11 addresses patients' rights to make informed choices regarding medical examination and treatment.

Article 12 concerns access to information contained in medical records and information about healthcare costs. It includes rights relating to reading, viewing, copying, recording, and obtaining relevant medical record information, subject to the specific conditions and procedures established by the Law.

These provisions provide an important legal foundation for appropriate communication with patients.

However, they should not be interpreted as establishing one detailed closed-loop diagnostic result management procedure that applies identically to every hospital, outpatient clinic, residential care facility, or home-care provider.

The specific obligations of healthcare organizations and practitioners must be determined according to applicable legislation, professional responsibilities, licensing conditions, and the circumstances of care.

This distinction becomes particularly important when information moves between a licensed healthcare establishment and a provider offering residential or home-based support.

An organization providing personal care should not assume authority to diagnose, interpret test results, or make treatment decisions merely because it receives a medical report.

Equally, a healthcare provider should not assume that sending a report to a family member or non-clinical care organization automatically fulfills all of its own clinical and professional responsibilities.

Coordination should help information move safely between services while preserving appropriate accountability for clinical decisions.

Protecting Personal Information During Diagnostic Follow-Up

Diagnostic reports often contain sensitive information about a person's health.

Sharing this information to support continuity of care requires attention to confidentiality, lawful authority, and appropriate information security.

Viet Nam's Law on Personal Data Protection No. 91/2025/QH15 took effect on January 1, 2026.

Government Decree No. 356/2025/ND-CP, also effective from that date, provides detailed provisions and measures for implementing the Law.

These requirements should be considered alongside confidentiality obligations under the Law on Medical Examination and Treatment and other applicable legislation.

Healthcare and care organizations should determine who is authorized to receive and access results, the lawful basis for processing or sharing information, how records are transmitted, and what documentation is appropriate.

Consent may be required in certain circumstances, while other legally recognized grounds for processing or disclosure may apply.

A blanket assumption that every family member can access a person's medical results is not appropriate. The same caution applies when reports are shared with residential care staff, external service providers, or individuals involved in care coordination.

Information should be provided through appropriate channels and limited to what is necessary for legitimate and lawful purposes.

Electronic communication should be assessed for confidentiality, recipient accuracy, access control, and the risk of information reaching unintended people.

Convenience alone is not sufficient justification for circulating medical reports through uncontrolled messaging channels.

At the same time, privacy procedures should be organized so that they do not unnecessarily obstruct lawful and clinically necessary communication.

Reliable follow-up requires both continuity of information and appropriate protection of the person to whom that information belongs.

Building a Reliable Follow-Up Process Without Unnecessary Complexity

Not every organization requires sophisticated tracking software to improve diagnostic result follow-up.

The appropriate system depends on the volume and type of investigations, clinical activities, workforce, technology, and organizational responsibilities.

A smaller healthcare provider may need a clearly assigned process for tracking requested investigations, identifying outstanding results, and confirming that appropriate clinical review has occurred.

A larger hospital may require coordination across laboratory information systems, imaging services, electronic health records, and several clinical departments.

The starting point is to understand where important information can become delayed, unassigned, or disconnected from the next action.

Healthcare organizations may examine how investigations are requested, how results are received, which professionals are notified, how urgent findings are escalated, and how outstanding actions are followed up.

Particular attention should be given to predictable disruptions, including clinician absences, incomplete contact information, changes in care responsibility, and patients who cannot independently access electronic communications.

The system also needs a way to identify unresolved matters. Without such arrangements, a missed result may only be discovered when someone happens to review the record or the older person experiences a new health problem.

Technology can help through tracking functions, reminders, alerts, and appropriately designed escalation processes.

However, technology does not replace clear responsibilities.

An electronic alert may show that a result has been opened, but that does not establish whether the finding was understood, communicated to the patient, or followed by the necessary action.

Excessive notifications can also reduce the usefulness of alerts if important findings become difficult to distinguish from routine messages.

The CDC's 2026 diagnostic excellence framework and the 2025 SAFER guidance provide useful reference points for evaluating these vulnerabilities.

For residential and home-based support organizations, the appropriate arrangement may be considerably simpler.

Their role may focus on recognizing missing information, contacting the responsible healthcare provider, arranging agreed practical support, and documenting whether coordination activities have been completed.

The goal is a system that is sufficiently reliable for the organization's actual responsibilities, rather than a complicated process that creates administrative activity without improving care.

Measuring Whether the Loop Has Actually Closed

Healthcare organizations may monitor how quickly laboratories issue reports or how many test results are delivered electronically.

These measures can provide useful information about operational performance, but they do not necessarily demonstrate that clinical follow-up occurred.

A laboratory may meet its reporting targets while an important finding remains unreviewed. An electronic alert may be acknowledged without the patient receiving an explanation. A referral may be documented without the recommended consultation taking place.

Quality measurement should therefore reflect the different stages of the process.

For healthcare providers, useful information may include whether ordered investigations were completed or appropriately canceled, whether results reached the designated clinician, whether urgent findings received timely attention, and whether recommended follow-up actions were completed or appropriately transferred.

Organizations may also examine delays associated with missing reports, incorrect routing, clinician absences, incomplete handovers, and referrals that did not result in an expected next step.

Not every unresolved result carries the same risk.

Measurement should distinguish between matters requiring urgent attention and those for which follow-up is less time-sensitive, based on professional assessment and applicable requirements.

Residential and home-based care providers should monitor the coordination activities for which they are responsible rather than assume accountability for clinical processes outside their lawful scope.

For example, they may examine whether a known missing report was escalated, whether an agreed appointment was arranged, or whether an outstanding communication task was completed.

It is important to distinguish process completion from clinical outcomes.

A documented follow-up action does not guarantee that the diagnosis was correct or that the person experienced no harm. Conversely, not every subsequent deterioration or hospital visit indicates that diagnostic result communication was inadequate.

Measures should be interpreted in light of clinical context, case complexity, and the reliability of available information.

Organizations can also learn from near misses, such as a result initially sent to the wrong clinician but identified and redirected before the recommended assessment was delayed.

These events may reveal weaknesses that routine completion rates do not capture.

A useful quality review asks whether clinically important information reached the right person, whether appropriate consideration and action followed, and what the organization learned when the process did not work as intended.

Making Diagnostic Follow-Up More Reliable Across Viet Nam's Care Continuum

Older people in Viet Nam may receive diagnostic services from several hospitals, specialist clinics, and other healthcare providers over time.

Some manage appointments and results independently. Others rely on relatives, residential care workers, or community-based services to help navigate the healthcare system.

These arrangements can work well, but they can also create uncertainty when information passes between organizations using different records, communication systems, and follow-up procedures.

Improving reliability does not necessarily require every provider to operate within one technological platform.

It requires a clear understanding of professional responsibilities, dependable communication, and practical arrangements for addressing information and actions that remain outstanding.

For licensed healthcare organizations, this means ensuring that results are appropriately reviewed and incorporated into clinical decisions.

For residential and home-based care organizations, it means supporting communication and continuity within their lawful and agreed responsibilities.

Older people should remain involved wherever possible. They need to know what information is expected, how they will receive an explanation, and where to seek clarification if an agreed next step does not occur.

A result management process should also recognize that a person's health can change while investigations are pending. New or worsening symptoms may require reassessment regardless of whether the original test result has become available.

The purpose is not to generate unnecessary investigations, impose one follow-up timetable on all results, or shift medical responsibilities onto families and care workers.

It is to reduce preventable situations in which clinically important information becomes available but does not receive the consideration or action it requires.

A diagnostic test has value because it helps inform care. Its contribution to patient safety depends not only on the accuracy of the finding, but also on whether that information reaches the appropriate decision-maker and is used responsibly.

For older people who move between different healthcare and long-term care settings, the reliability of this process is particularly important.

Closing the loop means ensuring that diagnostic information does not stop at being reported, but continues through appropriate clinical review, meaningful communication, and reliable follow-up.

Key References and Regulatory Context

World Health Organization. (2024). World Patient Safety Day 2024: Improving Diagnosis for Patient Safety.

World Health Organization. (2024). World Patient Safety Day 2024: Practical Advice for Stakeholders.

Centers for Disease Control and Prevention. (2026). Core Elements of Hospital Diagnostic Excellence (DxEx). Published February 4, 2026.

Khan, S., Cholankeril, R., Sloane, J., et al. (2024). Current State of Diagnostic Safety: Implications for Research, Practice, and Policy. Agency for Healthcare Research and Quality. Publication No. 24-0010-1-EF.

Office of the National Coordinator for Health Information Technology. (2025). 2025 SAFER Guide: Test Results Reporting and Follow-Up. Official resource page updated April 28, 2026.

Wright, B., Lennox, A., Graber, M. L., & Bragge, P. (2020). Closing the Loop on Test Results to Reduce Communication Failures: A Rapid Review of Evidence, Practice and Patient Perspectives. BMC Health Services Research, 20, Article 897. DOI: 10.1186/s12913-020-05737-x.

National Assembly of Viet Nam. (2023). Law on Medical Examination and Treatment No. 15/2023/QH15, as amended. Effective January 1, 2024. Particularly Articles 9–12 concerning patients' rights to healthcare information, privacy, informed choices, and access to medical records.

Office of the National Assembly of Viet Nam. (2026). Consolidated Document No. 26/VBHN-VPQH — Law on Medical Examination and Treatment. Issued February 26, 2026.

National Assembly of Viet Nam. (2025). Law on Personal Data Protection No. 91/2025/QH15. Effective January 1, 2026.

Government of Viet Nam. (2025). Decree No. 356/2025/ND-CP Detailing Certain Articles and Measures for Implementation of the Law on Personal Data Protection. Effective January 1, 2026.

International Organization for Standardization. (2026). ISO 25557:2026 — Ageing Societies — Care Quality for Older Persons at Home and in Care Facilities. Published March 2026.

About Healthy Longevity Vietnam

Healthy Longevity Vietnam (HLVN) is an independent initiative focused on advancing quality, safety, and implementation in age-friendly, integrated, and long-term care for older people in Viet Nam. Through evidence-informed approaches, quality improvement, measurement, and collaboration, HLVN supports healthcare and care organizations in developing safer, more coordinated, and person-centered care across settings.

Disclaimer

This article is intended for general education, quality improvement, and organizational development. It does not constitute individualized medical advice, legal advice, a clinical diagnostic or treatment protocol, an official regulatory interpretation, or a mandatory national standard for diagnostic test result management in Viet Nam.

Clinical interpretation of diagnostic findings, decisions about additional investigations or treatment, explanation of clinical recommendations, and management of urgent results must remain with appropriately qualified and authorized healthcare professionals in accordance with applicable Vietnamese law and professional requirements.

Organizational responsibilities for receiving, reviewing, communicating, and following up diagnostic results depend on the provider's legal status, licensed activities, professional roles, applicable regulations, and the circumstances of care.

Residential long-term care and home-based support providers should not interpret the receipt of medical reports as authorization to diagnose, assess clinical significance, modify treatment, or independently determine whether recommended medical follow-up is necessary.

Older people's rights to healthcare information, privacy, and participation in decisions should be respected, including applicable requirements concerning informed choices, lawful representation, and protection of personal data.

The organizational practices described in this article are illustrative and should be adapted to the responsibilities and circumstances of each provider. No universal clinical follow-up deadline, escalation threshold, or single allocation of responsibility should be inferred from this article.

The international guidance and standards discussed are provided for educational and comparative purposes. They do not automatically create Vietnamese legal obligations, establish mandatory accreditation requirements, or replace applicable national medical and professional standards.

Healthcare and care organizations should develop setting-specific diagnostic result communication and follow-up arrangements with input from appropriately qualified clinicians, laboratory and imaging professionals, quality and patient safety personnel, information management specialists, and legal advisers where necessary.

Information and regulatory context reviewed as of November 3, 2026.