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HelpTest Code LAB1242 Hepatitis B Core Antibody, Total (IgG and IgM), Plasma or Serum
Infectious
Reporting Title
Hep B Core AB
Methodology
Roche Diagnostics Electrochemiluminescence Immunoassay
Combined assay—this test detects IgG and IgM antibodies, but does not distinguish them.
Performing Laboratory
OhioHealth Laboratory Services-RMH Special Testing
Specimen Requirements
Submit only 1 of the following specimens:
Preferred:
Serum
Draw blood in a gold-top serum gel tube(s). Spin down and send 1 mL of serum refrigerated. A speckled serum gel tube (s) or a plain, red-top tube(s) is also acceptable.
Alternate:
Plasma
Draw blood in a lavender-top (EDTA) tube(s). (Green-top [lithium heparin] tube is acceptable.) ..
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Serum and plasma | Refrigerated | 5 days |
| Ambient | ||
| Frozen | 2 months |
Specimen Transport Temperature
Refrigerate: OK
Ambient: OK
Frozen: OK
Reference Values
Negative
Hepatitis B core antibody (anti-HBc) appears shortly after hepatitis B surface antigen (HBsAg). After HBsAg goes away and before hepatitis B surface antibody appears, anti-HBc may be only marker detectable. Anti-HBc does not occur with hepatitis B immunization.
Day(s) Test Set Up
Monday through Friday: 24/7
Saturday and Sunday: Day shift
Test Classification and CPT Coding
86704