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Test Directory

4214 Hepatitis B Surface Antigen

Specimen Type
Specimen Stability
Reference Range
Serum
14 Days 2 - 8° C
Non-Reactive

Specimen Requirements

Specimen Type: Serum
Container: 1 Serum Separator Tube (SST)
Temperature: Refrigerated
Preferred Vol: 1.00 mL
Min Vol: 1.00 mL

Method

Immunochemiluminometric (ICMA)

Schedule

Mon-Fri

Turn-Around Time

24hrs

Instructions/Notes

Clinical Utility

Surface antigen usually appears in the serum after an incubation period of 1 to 6 months following exposure to Hepatitis B virus and peaks shortly after onset of symptoms. It typically disappears within 1 to 3 months. Persistence of Hepatitis B surface antigen for greater than 6 months is a prognostic indicator of chronic Hepatitis B infection.

CPT Codes

87340

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