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DIGOXIN, serum (087-0272)
Test Mnemonic:


Specimen Requirements:

7 mL of blood in red topped tube. Blood samples must be drawn 6-8 hours after the last dose. (Min: 3mL of blood).  


DO NOT draw blood in SST/gel separator vacutainer tube.


Delivered to Sample Management within 2 hours of collection.

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. 


Room temperature for ≤8 hours, Refrigerated for ≤1 week, Frozen for ≤4 months.

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       

Reference Range:

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

Turnaround Time:

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




Clinical Chemistry

CPT 4 Code:

80162 Limited Coverage Test (NCD)


Red-topped tube. Do not use SST/gel   tube.

If applicable, state clinical information that is required to be provided with specimen.

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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