Ethical Challenges and Responsibilities in Clinical Diagnostic Laboratories

Objectives: Clinical diagnostic laboratories play a pivotal role in patient care by providing essential data for diagnosis, treatment, and disease monitoring. This review systematically explores key ethical challenges and responsibilities faced by professionals in clinical diagnostic laboratories, focusing on confidentiality, informed consent, data access, reporting practices, and institutional integrity. Methods: A systematic literature review following PRISMA 2020 guidelines was conducted. PubMed, ScienceDirect, Scopus, Google Scholar, and the Bioethics Literature Repository were searched for English-language peer‑reviewed articles from 2000 to 2024. Included were studies, reviews, and guidelines addressing dilemmas and responsibilities in clinical lab settings. The search focused on medical ethics, laboratory practice, confidentiality, patient rights, and regulatory compliance. After screening and quality appraisal, findings were synthesized systematically. Results: Analysis revealed recurrent ethical challenges: breaches of confidentiality in data handling, unclear informed-consent policies (especially in genetic or HIV testing), inconsistent reporting practices, inappropriate disclosure of sensitive findings, poor laboratory–clinician communication, and institutional pressure compromising ethical standards. Ethical training, policy standardization, and transparent protocols were frequently emphasized. Lab professionals face dual obligations to patients and clinicians, often with limited ethical infrastructure. Conclusion: Ethical integrity in diagnostic laboratories is essential to safeguard patient rights and public trust. Addressing gaps through ongoing education, institutional accountability, and policy enforcement is vital to advance ethical practice in the era of precision medicine