# Clinical Diagnosis > Clinical Diagnosis means the process of identifying a disease based on medical history, physical examination and tests on a sample collected from humans. **Term:** Clinical Diagnosis **Last updated:** 2026-07-29 ## Definition ## What Clinical Diagnosis Means in a Contract In a contractual context, Clinical Diagnosis refers to the documented conclusion reached by a qualified healthcare professional that a person has a particular disease or condition, arrived at through a structured process of taking a medical history, conducting a physical examination and analysing a sample or test result. The term is rarely left to common understanding in agreements; it is defined precisely because so much can turn on whether a diagnosis has, or has not, been made, and by whom. The definition matters because many agreements do not pay out, activate, or terminate on the basis of symptoms or suspicion alone. They require an actual, evidenced Clinical Diagnosis. This shifts the burden onto the party asserting the condition to produce clinical evidence rather than relying on self-reporting, and it gives the other party a verifiable standard against which claims can be checked. Because the term sits at the intersection of medicine and law, contract drafters typically borrow language from clinical practice while adapting it to serve a legal function, namely creating a clear, checkable condition precedent or trigger event within the agreement. ## How Clinical Diagnosis Is Defined or Measured Most definitions of Clinical Diagnosis in contracts include three components: a review of medical history, a physical examination, and testing of a sample or specimen collected from the individual. Some definitions go further and specify that the diagnosis must be made by a licensed or registered medical practitioner, or that it must conform to recognised diagnostic criteria or classification systems used within the relevant field of medicine. - Medical history: information about prior conditions, symptoms and treatment gathered from the patient or records. - Physical examination: direct clinical assessment performed by a practitioner. - Sample-based testing: laboratory or diagnostic analysis of blood, tissue or other specimens. Contracts may also specify who is qualified to render the diagnosis, what documentation is acceptable as proof, and whether a second opinion or independent medical review can be required. These measurement details are important because they determine how disputes about whether a diagnosis has actually occurred will be resolved. ## Where Clinical Diagnosis Appears in Agreements Clinical Diagnosis appears most frequently in insurance policies, particularly critical illness and health insurance, where the definition determines eligibility for a payout. It also appears in employment contracts and sick leave policies, where a diagnosis may be required before certain leave entitlements or accommodations apply. The term is central to research and healthcare documentation, including agreements produced under a