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Geisinger Medical Laboratories Test Catalog
HEPATITIS B CORE ANTIBODY IGM |
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ORDERING INFORMATION: |
Geisinger Epic Procedure Code: LAB2436 Geisinger Epic ID: 17578 | |
SPECIMEN COLLECTION |
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Specimen type: |
Serum | |
Preferred collection container: |
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Alternate Collection Container: |
Gold-top (serum separator) microcollection tube
6 mL red-top (plain, non-serum separator) tube
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Specimen required: |
1 mL serum; minimum 0.5 mL. | |
| SPECIMEN PROCESSING |
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Specimen processing instructions: |
Allow serum to clot. Centrifuge to separate serum within 2 hours of collection. | |
Transport temperature: |
Refrigerated. | |
Specimen stability: |
Stable 7 days at 2-8°C, 3 months frozen. | |
Rejection criteria: |
Specimen will be rejected if stability limit is exceeded. Add-ons available only to unopened tube. | |
TEST DETAILS |
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Reference interval: |
Negative. | |
Additional information: |
Department of Health is notified for PA residents if positive. | |
CPT code(s): |
86705 | |
| Note: The billing party has sole responsibility for CPT coding. Any questions regarding coding should be directed to the payer being billed. The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only. | ||
Test includes: |
Qualitative detection of Immunoglobulin M antibodies to hepatitis B virus core antigen. | |
Methodology: |
Chemiluminescence Immunoassay |
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Synonyms: |
Anti-HBC IgM, CORAB-M, HBCAB-IgM Hepatitis B core antibody IgM, HBCM
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Clinical significance: |
IgM titers are useful in the diagnosis of acute HBV infection, even when HBsAg concentrations are below the sensitivity of the diagnostic assay. Anti-HBc IgM may be the only specific marker for the diagnosis of acute HBV infection. | |
Doctoral Director(s:) |
Hoi-Ying Elsie Yu, PhD, DABCC Sheng-Ying (Margaret) Lo, PhD, DABCC |
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| Review Date: | 12/14/2022 | |