The practice of classical medicine is grounded in the integration of the best available scientific evidence, clinical expertise, and patient values. While this triad defines evidence-based medicine, a less obvious yet highly consequential aspect of contemporary care is the physician’s preference for specific diagnostic laboratories, imaging centres, radiology specialists, or referral institutions for advanced management. This issue merits careful ethical scrutiny, as it encompasses both legitimate clinical judgement and potential conflicts of interest [1].

In routine clinical practice, physicians often develop preferences for certain laboratories, imaging centres, or radiologists based on accumulated experience with technical quality, analytical and reporting accuracy, expertise, and diagnostic concordance with clinical, surgical, or pathological findings. Such preferences are not inherently unethical. They may even enhance diagnostic precision, reduce pre-analytical and analytical errors, improve disease tracking through consistent reporting standards, and facilitate timely clinical decision-making. Recommending a laboratory known for stringent quality control or an imaging centre with robust protocols and subspecialty competence can thus be viewed as an extension of responsible professional judgement.

However, ethical concerns arise when such preferences are influenced by non-clinical considerations, including financial inducements, or institutional pressures. The insistence on repeat laboratory investigations or imaging solely because testing was performed elsewhere, or the rejection of valid reports from accredited centres without scientific justification, undermine both patient autonomy and professional integrity. In resource-constrained settings such as India, such practices also impose unnecessary financial and logistical burdens on patients, worsening inequities in access to care and denying justice [2].

The referral of patients to specific specialists or tertiary care centres raises parallel ethical issues. They may be grounded in demonstrable clinical outcomes, procedural expertise, infrastructure availability, and multidisciplinary capacity. Yet commission-driven or monopolistic referral networks distort clinical objectivity and erode public trust in the medical profession. The subtle normalisation of such practice risks placing individual or institutional financial interests above patient welfare.

An ethical middle ground is feasible and necessary. Physicians may appropriately recommend specific laboratories or diagnostic facilities, or specialists based on transparent, clinically justifiable criteria listed above. At the same time, patients must retain the right to choose their diagnostic provider and referral destination. Reports from accredited facilities should be assessed on merit rather than origin, and when diagnostic uncertainty exists, second opinions, or laboratory result verification should be preferred over automatic repetition [3].

Transparency is central to this balance. A clinician might ethically explain, “For this condition, I usually trust this laboratory or imaging centre because their standards and reporting accuracy are consistently high; however, you are free to choose any accredited facility.” This preserves patient autonomy while allowing the physician to exercise informed professional judgement. This approach aligns with the foundational ethical principles of respect for autonomy, beneficence, and justice [2].

Regulatory frameworks in India explicitly prohibit fee splitting, referral commissions, and financial inducements from diagnostic laboratories, imaging centres, or hospitals. The National Medical Commission’s ethics regulations underscore that professional decisions must be guided solely by patient interest and scientific considerations. Compliance with these standards is not merely a legal obligation but a moral imperative to safeguard the credibility of clinical decision-making and public trust in the profession [4].

Importantly, the solution to unethical referral practices cannot be reduced to individual moral rectitude alone. Systemic reforms are equally necessary. These include transparent disclosure of referral relationships, institutional policies that prohibit inducements, routine audit of referral patterns, accreditation-linked acceptance of laboratory and imaging reports, and regular patient education regarding their right to choose diagnostic and referral providers. Professional bodies and academic institutions must play a proactive role in reinforcing ethical norms and fostering a culture of accountability.

In conclusion, physician preferences in diagnostic laboratory, imaging, and referral practices are not intrinsically unethical when rooted in clinical quality and patient welfare. They become problematic when driven by financial or institutional interests that compromise transparency and autonomy. A balanced approach — anchored in merit-based assessment, open communication, respect for patient choice, and strict adherence to ethical regulations — offers a pragmatic pathway to reconcile clinical judgement with ethical responsibility.

Author: Dharmendra Kumar Gupta ([email protected], https://orcid.org/0009-0006-6308-4493), Junior Resident, Department of Physiology, Burdwan Medical College, Burdwan, West Bengal, INDIA.

Conflict of Interest: None declared                                                                                                                                                                                        Funding: None

Acknowledgments: The author acknowledges the use of artificial intelligence-based language assistance (ChatGPT) for refinement and clarity. All intellectual content, interpretations, and the final decision remain the sole responsibility of the author.

To cite: Gupta DK. Diagnostic and laboratory referrals: Balancing clinical judgement, ethics, and patient autonomy. Indian J Med Ethics. Published online first on March 26, 2026. DOI: 10.20529/IJME.2026.018

Submission received: February 3, 2026

Submission accepted: March 5, 2026

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©Indian Journal of Medical Ethics 2026: Open Access and Distributed under the Creative Commons license (CC BY-NC-ND 4.0), which permits only noncommercial and non-modified sharing in any medium, provided the original author(s) and source are credited.