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To view specimen requirements and codes please select your laboratory:
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HB S AG W/REFLEX CONF
Positive samples will be confirmed based on the manufacturer's FDA approved recommendations at an additional charge (CPT code(s): 87341).
Preferred Specimen Volume: 1.0 ml
Specimen Type SERUM
Specimen State Refrigerated (cold packs)
A dedicated, primary sample tube is preferred.
Due to the possibility of viral cross-contamination,
add on testing can only be performed if a master tube
has not been previously tested by an automated
instrument with a fixed, non-disposable pipetting system.
Room temperature: 3 days
Refrigerated: 3 days
Frozen: 30 days
Results obtained from immunosuppressed patients should be interpreted with caution. Patients receiving mouse antibody therapy may produce false-negative results.
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.
The Result and LOINC information listed below should not be used for electronic interface maintenance with Quest Diagnostics. Please contact the Quest Diagnostics Connectivity Help Desk for more information at 800-697-9302.NOTE: The codes listed in the table below are not orderable Test Codes.
|Result Name||LOINC Code||Component Name|
|Z3065||HB S AG||5196-1||Hepatitis B virus surface Ag|
Reference ranges are provided as general guidance only. To interpret test results use the reference range in the laboratory report.
The CPT codes provided are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.
LOINC assignment is based on a combination of test attributes, including the method used by the performing laboratory. For tests not performed by Quest Diagnostics, codes are assigned by the performing laboratory.
* The tests listed by specialist are a select group of tests offered. For a complete list of Quest Diagnostics tests, please refer to our Directory of Services.