ISO 15189:2022 - Medical Laboratory Examination Processes Professional Quiz 01 26Jul25 - Practice Quiz

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Question 1 of 30

A medical laboratory receives a blood sample for a critical diagnostic test. Upon initial inspection, the phlebotomist notes that the patient\'s full name is missing from the primary tube label, only a partial identifier is present. Furthermore, the collection timestamp on the sample indicates it was drawn 72 hours prior to arrival at the laboratory, exceeding the recommended stability period for the specific analyte requested. The laboratory\'s standard operating procedure for sample acceptance, aligned with ISO 15189:2022, mandates that all samples must have complete patient identification and be within the acceptable pre-examination phase stability limits. What is the most appropriate course of action for the laboratory personnel in this situation?

Reject the sample, document the reasons for rejection, and immediately inform the requesting healthcare provider.

Proceed with the examination, but clearly indicate on the report that the sample identification was incomplete and the collection time exceeded stability limits.

Attempt to contact the collection site to verify patient identification and re-label the sample before proceeding with the test.

Perform a preliminary test to assess analyte degradation and then decide whether to proceed with the full examination.

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