A delta check is a historical reference on samples run in the laboratories.Once a sample fails a delta check, the most obvious corrective action is to:

Question

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Verifying the identification of the patient sample is the most immediate and crucial step to take once a sample fails a delta check. This ensures that the sample indeed belongs to the patient in question and helps rule out identification errors as the cause of the discrepancy.

A Delta Check Is a Historical Reference on Samples Run