Home
HelpTest Code HBCM Hepatitis B Core IgM Antibody, S
Additional Codes
ALAB: HBCM
Powerchart: Hepatitis B Core Antibody IgM
MA Cerner: Hep B/C Ab Igm.
Specimen Requirement
1 mL of SST serum
Additional Specimen Collection Information
Collect blood in a serum gel tube. Serum should be separated from contact with the cells within 2 hours of collection. Specimens not centrifuged within 4 hours of collection may be rejected. Refrigerate the specimen if unable to assay within 8 hours of collection. Hemolyzed specimens are not acceptable. Samples with >1+ lipemia must be cleared prior to analysis.
Test Method
Two-Step Immunoassay; Abbott Architect
Performance
Testing is performed Monday through Sunday.
Routine: Typically completed within 4 hours after the specimen
arrives at the testing site.
STAT: Typically completed within 1 hour after the specimen arrives
at the testing site.
Reference Values
Nonreactive
CPT Code Information
86705 hepatitis B core antibody, IgM
Useful For
- Diagnosis of acute hepatitis B infection
- Identifying acute hepatitis B virus (HBV) infection in the serologic window period when hepatitis B surface antigen and anti-hepatitis B surface are negative
- Differentiation between acute and chronic/past hepatitis B infection in the presence of positive anti-hepatitis B core
LOINC Code Information
31204-1 Hepatitis Bvirus core IgM [Presence] in serum