Hepatitis B Surface Antigen Neutralization/Confirmation
Label Mnemonic: HBSGN
Epic Lab Code: LAB4887
Downtime Form: A-1a Miscellaneous Request
Commercial Mail-out Laboratory
5231 RCP
356-8593
Specimen(s):
Serum
Collection Medium:
Red top tube 5 mL (Clot Activator)
Alternate Collection Media:
Lavender top tube 3 mL (EDTA)
Minimum:
Aliquot 2.5 mL serum with TWO hours of collection (Min: 1.5 mL serum).
EDTA plasma is also acceptable.
Rejection Criteria:
Heparinized plasma. Specimens containing particulate material or obvious microbial contamination. Heat-inactivated, severely hemolyzed, or lipemic specimens.
Turn Around Time:
1-3 days upon receipt at reference laboratory
Reference Range:
Non Confirmed
Interpretive Data:
This assay should not be used for blood donor screening, associated re- entry protocols, or for screening Human Cell, Tissues and Cellular and Tissue-Based Products (HCT/P).
Comments:
Note: Order this assay only when a specimen is repeatedly reactive for hepatitis B surface antigen.

Test is recommended for dectection of acute or chronic HBV infection.

Refer to University of Iowa Health Care policy: Policy Governing HIV Testing Education, Testing, Reporting and Confidentiality - contains information about patient testing for HIV.
Methodology:
Chemiluminescent Immunoassay
CPT Code:
87341
 
See also:
Hepatitis B Surface Antigen, Plasma