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HelpTest Code HBSG Hepatitis B Surface Antigen with Reflex
Performing Laboratory
Hunterdon Medical Center
Useful For
The detection of HbsAg indicates an infection by the hepatitis B virus. HBsAg is the first immunological marker detected and may be present some days or weeks before clinical symptoms of hepatitis B begin to appear. HBsAg is observed in persons with acute and chronic hepatitis B infections.
Specimen Requirements
| Container/Tube | |
| Preferred | SST |
| Specimen Volume | 3.0 mL |
| Minimum Volume | 1.0 mL |
Specimen Type
Serum
Specimen Transport Temperature
Refrigerated 2-8°C
Specimen Stability
| Temperature | Time Frame |
| Refrigerated 2-8°C | 5 days |
Updated June 2020
Day(s) Test Set up
Monday through Friday
Reference Values
Non-Reactive
Test Algorithm
Specimens reported as Reactive for Hepatitis Bs Antigen will be sent to Mayo Medical Laboratories for confirmatory testing. Hepatitis B DNA Virus (HBV) DNA Detection/ Quantitative by Real -Time PCR (HBDNA) will be performed at an additional charge.
Methodology
Electrichemiluminescence Immunoassay: ECLIA
Reflex Tests
| Test ID | Reporting Name | Available Separately | Always Performed |
| HBDNA | Hepatitis B Virus (HBV) DNA Detection and Quantitation by Real-Time PCR | Yes | No |
CPT Code
| Test | CPT |
| HBSG | 87340 |
| HBDNA | 87517 |
Loinc Code
| Test | LOINC |
| HBSG | 5195-3 |
| HBDNA | 42595-9 |