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Alphabetical Index
ACETAMINOPHEN, serum (8000100171)
Test Mnemonic:

ACETAMIN
Specimen Requirements:
Collection:

7 mL of blood in red-topped vacutainer tube. Draw samples at least four hours after drug ingestion and again at 12 hours if indicated.
Minimum Volume:

3 mL of blood
Storage/Transport:

Delivered to Sample Management within 2 hours of collection.
Stability:

Room Temperature: 2 weeks;

Refrigerated: 2 weeks;

Frozen: 45 days.
Causes for Rejection:

Blood drawn in SST/gel separator vacutainer tube, incomplete and/or incorrect sample identification, improper storage/transport, gross hemolysis, icterus or lipemia.   
Specimen Preparation:

Allow specimen to clot completely at room temperature. Centrifuge to separate serum from cells within 2 hours of collection. Transfer serum from red-topped tube to labeled plastic transport tube. 
Methodology:

Colorimetric
Performed:

Clinical Chemistry  
Turnaround Time:

Routine: 8 hours; ASAP: 4 hours; STAT: 1 hour 
Reference Range:

By report (reports may vary based on instrumentation, patient age and sex).
CPT 4 Code:

80143
Effective Date: 03/01/2013
Reviewed By/Date: Okorodudu, Anthony - 03/01/2017
Approved By/Date: Okorodudu, Anthony - 12/20/2022
When ordering tests for which Medicare or Medicaid reimbursement will be sought, physicians should only order tests that are medically necessary for the diagnosis or treatment of the patient. Components of the organ or disease panels may be ordered individually. The diagnostic information must substantiate all tests ordered and must be in the form of an ICD-10 code or its verbal equivalent.

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