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HelpTest Code LAB471 Hepatitis B Surface Antigen
Useful For
- Diagnosis of acute, recent, or chronic hepatitis B infection
- Determination of chronic hepatitis B infection status
Methodology
Electrochemiluminescence Immunoassay (ECLIA)
Profile Information
| Test Code | Test Name | Methodology |
Available Separately |
Always Performed |
|---|---|---|---|---|
| N/A | Hepatitis B Surface Antigen | Electrochemiluminescence Immunoassay (ECLIA) | Yes | Yes |
Testing Algorithm: If the Hepatitis B surface antigen is reactive, then Hepatitis B surface antigen neutralization (confirmation) will be performed at an additional charge.
Reflex Tests
| Test Code | Test Name |
Performing Laboratory |
Available Separately |
Always Performed |
|---|---|---|---|---|
| LAB0076 | Hepatitis B Surface Antigen Neutralization | Sanford Laboratories | No | No |
Performing Laboratory
Bozeman Health Laboratory Services
Specimen Requirements
Specimen Type: Serum
Container/Tube: Red top or gold top
Specimen Volume: 1 mL
Specimen Minimum Volume: 0.5 mL
Specimen Rejection: Hemolyzed or lipemic samples may be rejected.
Specimen Transport Temperature
Refrigerated
Specimen Stability
| Specimen Type | Temperature | Time |
|---|---|---|
| Serum | Ambient | 6 days |
| Refrigerated | 14 days | |
| Frozen | 6 months |
Reference Values
< 1.0 COI: Nonreactive
≥ 1.0 COI: Reactive
Day(s) Test Set Up
Monday through Sunday
Test Classification and CPT Coding
87340-HBsAg
87341-HBsAg confirmation (if appropriate)