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Direct-TOTAL IRON BINDING CAPACITY, serum (087-0624)
Test Mnemonic:


Specimen Requirements:

Routine venipuncture; blood should be collected in the morning. 7 mL of blood in SST (gel barrier) or red-topped tube. (Min.: 3 mL of blood)


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  ≤3 days, Refrigerated   for  ≤ 14 days, and Frozen  for ≤ 14 days

Causes for Rejection:

Incomplete and/or incorrect sample identification, improper storage/transport, gross hemolysis .                                              

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


Rate Two Point


Clinical Chemistry

CPT 4 Code:

 83550      Limited Coverage Test (NCD)


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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