Test ID CHBVS Chronic Hepatitis B Screen, Serum
Necessary Information
Date of collection is required.
Specimen Required
Patient Preparation: For 24 hours before specimen collection do not take multivitamins or dietary supplements containing biotin (vitamin B7), which is commonly found in hair, skin, and nail supplements and multivitamins.
Supplies: Sarstedt 5 mL Aliquot Tube (T914)
Collection Container/Tube: Serum gel
Submission Container/Tube: Plastic vial
Specimen Volume: 3.5 mL
Collection Instructions:
1. Centrifuge per collection tube manufacturer's instructions (eg, centrifuge and aliquot within 2 hours of collection for BD Vacutainer tubes).
2. Transfer serum into plastic vial.
Forms
If not ordering electronically, complete, print, and send 1 of the following:
Useful For
Diagnosis and evaluation of patients at risk for or suspected of having chronic hepatitis B
This test is not offered as a screening or confirmatory test for blood donor specimens.
This test is not useful during the "window period" of acute hepatitis B virus infection (ie, after disappearance of hepatitis B surface antigen [HBsAg] and prior to appearance of hepatitis B surface antibody).
This test is not useful as a stand-alone prenatal screening test of HBsAg status in pregnant women.
Profile Information
Test ID | Reporting Name | Available Separately | Always Performed |
---|---|---|---|
HBGSN | HBs Antigen Scrn, S | Yes | Yes |
Reflex Tests
Test ID | Reporting Name | Available Separately | Always Performed |
---|---|---|---|
EAG | Hepatitis Be Ag, S | Yes | No |
HBGSC | HBs Antigen Screen Confirmation, S | No | No |
HEAB | HBe Antibody, S | Yes | No |
Testing Algorithm
If hepatitis B surface antigen (HBsAg) is reactive, then HBsAg confirmation will be performed at an additional charge. If HBsAg confirmation is positive, then hepatitis B e antigen (HBeAg) and hepatitis B e antibody (anti-HBe) tests will be performed at an additional charge.
The following algorithms are available:
-Hepatitis B: Testing Algorithm for Screening, Diagnosis, and Management
-HBV Infection-Monitoring Before and After Liver Transplantation
Special Instructions
Method Name
Chemiluminescence Immunoassay (CIA)
Reporting Name
Chronic Hept Scrn B, SSpecimen Type
Serum SSTSpecimen Minimum Volume
1.5 mL
Specimen Stability Information
Specimen Type | Temperature | Time |
---|---|---|
Serum SST | Frozen (preferred) | 28 days |
Refrigerated | 7 days | |
Ambient | 24 hours |
Day(s) Performed
Monday through Saturday
Report Available
Same day/1 to 4 daysPerforming Laboratory

Test Classification
This test has been cleared, approved, or is exempt by the US Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.CPT Code Information
87340
G0499-(if appropriate)
LOINC Code Information
Test ID | Test Order Name | Order LOINC Value |
---|---|---|
CHBVS | Chronic Hept Scrn B, S | 5196-1 |
Result ID | Test Result Name | Result LOINC Value |
---|---|---|
HBAGS | HBs Antigen Scrn, S | 5196-1 |