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HelpTest Code Billings Clinic: 3978 Hepatitis Bs Antibody (Anti-HBs), Asymptomatic Screen
Performing Laboratory
Billings Clinic Laboratory: Chemistry
See “Viral Hepatitis Serologic Profiles—Billings Clinic Laboratory” under Resources
Useful For
- Identifying previous exposure to hepatitis B virus
- Determining adequate immunity from hepatitis B vaccination
- This assay is FDA-approved for in vitro diagnostic use and not for screening cell, tissue, and blood donors.
Methodology
Chemiluminescence Immunoassay
Specimen Requirements
Serum should be physically separated from cells as soon as possible with a maximum limit of two hours from the time of collection.
- Draw blood in a serum gel tube(s).
- Spin down and send 1 mL of serum frozen in plastic vial.
- Draw date is required on request form for processing.
Storage/Stability
| Specimen Type | Temperature | Time |
| Serum | Refrigerated | 7 days |
| Frozen (preferred) | 1 month | |
| Ambient | 7 days |
Reject Due To
- Heat-inactivated specimen
- Grossly hemolyzed specimen
Reference Values
No vaccination: negative
Post-vaccination: positive
Day(s) Test Set Up
Daily
Test Classification and CPT Coding
G0499 - HEPB SCREEN HIGH RISK INDIV
LOINC Code Information
| Reporting Name | LOINC Code |
| HBsAb, Qual | 10900-9 |