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HEPATITIS B VIRUS CORE ANTIBODY (Total) (087-7176)

Test Mnemonic:

  HBC

Methodology:

 Automated EIA- chemiluminence (OCD 3600)

Performed:

 Clinical Chemistry

Turnaround Time:

  Routine: 8 hours, ASAP : 4 hours   

Specimen Requirements: Collect:  7mL of blood in SST (serum separator tube). (Min.: 3mL of blood). 

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

Storage/Transport:  Delivered to Sample Management within 2 hours of collection.   

Stability:   Room temperature for ≤ 8 hours, refrigerated for ≤ 48 hours, or frozen for indefinitely.  (Avoid repeated freeze/thaw cycles).

Causes for Rejection: Specimens containing particulate matter, specimens containing sodium azide, heat-inactivated specimens, incomplete and/or incorrect sample identification, improper storage/transport, and gross hemolysis and lipemia.                                        
Clinical Information:

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

Reference Range:

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

Note:

 This test detects both IgG and IgM antibodies to Hepatitis B core antigen. Previously positive patients do not require repeat testing. If the patient has no detectable antibody, it is recommended to wait at least three months before testing again. Tests on samples collected less than three months from the initial negative results will be cancelled, unless approved by a Microbiology Director or designee.

CPT 4 Code:

  86704

  Reviewed by Tho Nguyen, MT(ASCP) 7/5/13

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-9 code or its verbal equivalent.

 

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