If a patient provides their own specimen, what steps ensure authenticity and accuracy?

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When a patient provides their own specimen, the essential practice is to establish a definite link between the person and the sample through proper identification, labeling, and documentation. Start by confirming the patient’s identity using two identifiers (for example, full name and date of birth) and match this information to the order or requisition. Then apply a complete, proper label on the specimen that includes the patient’s name or unique ID, the date and time of collection, the source of the specimen, and the tests ordered. Finally, document the source in the appropriate record or chain-of-custody so the specimen’s origin is traceable and auditable. This combination ensures the specimen truly belongs to the patient and that the results will be reported for the correct individual.

Relying on a quick check of color, using initials only, or accepting a verbal agreement alone does not provide reliable identification, proper labeling, or traceability, which are required to prevent misidentification and mix-ups.