Hepatitis B Surface AG W/Reflex Confirmation
Orderable EAP code:
Billable EAP Codes:
CPT Codes:
Lab Section:
Includes:
Hepatitis B Surface Antigen If Reactive reflex to:
Hepatitis B Surface Antigen, Confirmation (LAB102548)
Additional charges apply.
Turnaround Time:
Routine: 2 days, additional time for reflex testing.
Test Schedule:
7 days a week.
Interpretation:
Nonreactive = Specimen is considered negative for HBsAg.
Pending Confirmation = Screening test is reactive and pending confirmation, as hepatitis B surface antigen screening test may yield a false positive result.
Specimen Requirements:
4 ml blood collected in serum separator tube (SST) or EDTA tube. Send 2 mL serum or plasma aliquot.
Minimum volume = 250 uL, 1.5 mL is needed to include reflex testing.
Stability:
Room Temperature (15 - 30°C) – 24 hours
Refrigerated (2-8 C) - 6 days
Specimen may be stored on or off the clot, or separator gel.
Frozen -10°C or colder – 3 freeze/thaw cycles
Remove specimen from clot or separator gel prior to storage.
Pediatric Specimen Requirements:
4 ml blood collected in serum separator tube (SST) or EDTA tube. Send 2 mL serum or plasma aliquot.
Minimum volume = 250 uL, 1.5 mL is needed to include reflex testing.
Stability:
Room Temperature (15 - 30°C) – 24 hours
Refrigerated (2-8 C) - 6 days
Specimen may be stored on or off the clot, or separator gel.
Frozen -10°C or colder – 3 freeze/thaw cycles
Remove specimen from clot or separator gel prior to storage.
Reference Range:
Nonreactive
Comments:
Used for the qualitative detection of hepatitis B surface antigen (HBsAg). May be used to screen for HBV infection in pregnant women to identify neonates who are at risk for acquiring hepatitis B during the perinatal period. May be used to provide presumptive evidence of infection with the hepatitis B virus (HBV).
This test is not intended for use in screening blood, plasma or tissue donors.
Hepatitis B Surface Antigen, Confirmation is sent to AHPL for testing.
Synonyms:
HBS
HBSAG
Hep B Surf AG
Hep B Surf AG Confirmation