Hepatitis B Surface AG W/Reflex Confirmation

Orderable EAP code:

LAB102550

Billable EAP Codes:

80002037 x 1

CPT Codes:

87340 x 1

Lab Section:

Immunology

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:

Minimum testing age: >28 days.

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:

Minimum testing age: >28 days.

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.

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

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