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Hepatitis B surface antigen with Confirmation

 
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Description
 

CPT Code(s)

87340

Includes

Positive samples will be confirmed based on the manufacturer's FDA approved recommendations at an additional charge (CPT code(s): 87341).

Methodology

Immunoassay (IA)

Limitations

Results obtained from immunosuppressed patients should be interpreted with caution. Patients receiving mouse antibody therapy may produce false-negative results.

Reference Range(s)

Non-Reactive

Clinical Significance

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.

Alternative Name(s)

Australian Antigen,HBsAg,Auszyme


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