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Hepatitis B Surface Antigen*

Important Note

*This test is orderable in Cerner as Hepatitis B Surface Antigen

For the qualitative detection of Hepatitis B Surface antigen in human serum. The assay may be used in conjunction with other serologi-cal and clinical information to diagnose individuals with acute or chronic Hepatitis B infection. The assay may also be used to screen for Hepatitis B infection in pregnant women to identify neonates who are at risk of acquiring Hepatitis B during the perinatal period.

Instrumentation

Roche Cobas

Performing Laboratory

Rutland Regional Medical Center Laboratory

Specimen Requirements

Specimen Type: Blood
Container/Tube: Gold top, serum gel

Specimen Volume: Full tube

Specimen Minimum Volume: 0.5 mL

Collection Instructions:

1. Send specimen in original tube.

2. If pre-processing before sending to the Lab: Allow to clot 30 minutes, (but not longer than 2 hours), centrifuge, refrigerate and return to the Lab.

Specimen Transport Temperature

Room temperature 8 hours

Refrigerated 14 days

Frozen samples are allowed

Day(s) Performed

Monday through Friday

Analytical Time:

1 day

Test Classification and CPT Coding

CPT: 87340

LOINC: 5195-3

Order Code: RMCHEPBSAG

Result Code: RMCL801926

Result Name: Hepatitis B Surface Ag

Reference Values

Nonreactive

 

Reflex Testing

Positive Results will reflex to HBV Detect/Quant-Mayo.