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HelpTest ID HBCPR Hepatitis B Core Total Antibodies Prenatal, Serum
Ordering Guidance
This test should not be used to test symptomatic individuals (ie, diagnostic purposes) suspected with viral hepatitis. For testing such patients with or without risk factors for hepatitis B virus (HBV) infection, order HBC / Hepatitis B Core Total Antibodies, Serum.
This test should not be used to screen or test asymptomatic, nonpregnant individuals with or without risk factors for HBV infection. For testing such patients, order HBCSN / Hepatitis B Core Total Antibodies Screen, Serum.
If hepatitis B core total antibody test that reflexes to hepatitis B core IgM, order CORAB / Hepatitis B Core Total Antibodies, with Reflex to Hepatitis B Core Antibody IgM, Serum.
Necessary Information
Date of collection is required.
Specimen Required
Collection Container/Tube: Serum gel
Submission Container/Tube: Plastic vial
Specimen Volume: 1 mL
Collection Instructions:
1. Centrifuge blood collection tube per collection tube manufacturer’s instructions (eg, centrifuge and aliquot within 2 hours of collection for BD Vacutainer tubes).
2. Aliquot serum into plastic vial.
Forms
If not ordering electronically, complete, print, and send 1 of the following with the specimen:
Useful For
Diagnosis of recent or past hepatitis B infection in pregnant individuals
Determination of occult hepatitis B infection in otherwise healthy hepatitis B virus carriers with negative test results for hepatitis B surface antigen, anti-hepatitis B surface, anti-hepatitis B core IgM, hepatitis Be antigen, and anti-HBe
This assay is not useful for differentiating among acute, chronic, and past or resolved hepatitis B infection
This test should not be used as a screening or confirmatory test for blood donor specimens.
Testing Algorithm
For more information see Hepatitis B: Testing Algorithm for Screening, Diagnosis, and Management.
Special Instructions
Method Name
Chemiluminescence Immunoassay (CIA)
Reporting Name
HBc Total Ab Prenatal, SSpecimen Type
Serum SSTSpecimen Minimum Volume
0.4 mL
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Serum SST | Frozen (preferred) | 28 days |
| Refrigerated | 7 days | |
| Ambient | 24 hours |
Reference Values
Negative
Interpretation depends on clinical setting.
For more information, see Viral Hepatitis Serologic Profiles.
Day(s) Performed
Monday through Saturday
Report Available
1 to 3 daysPerforming Laboratory
Mayo Clinic Laboratories in Rochester
Test Classification
This test has been cleared, approved, or is exempt by the US Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.CPT Code Information
86704
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| HBCPR | HBc Total Ab Prenatal, S | 13952-7 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| HBCPR | HBc Total Ab Prenatal, S | 13952-7 |