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Hepatitis B Surface Antibody Level, Pre/Post HBIG Infusion
Test Code34000
CPT Codes
86317
Preferred Specimen
1 mL serum
Minimum Volume
0.5 mL
Other Acceptable Specimens
Plasma collected in an EDTA (lavender-top) tube
Instructions
Tube should be clearly marked as PRE or POST infusion. Do not send samples of immune globulin.
Transport Temperature
Room temperature
Specimen Stability
Room temperature: 5 days
Refrigerated: 14 days
Frozen: 30 days
Refrigerated: 14 days
Frozen: 30 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Gross hemolysis • Grossly lipemic
Methodology
Immunoassay (IA)
Setup Schedule
A.M. Sets up 5 days a week.
Report Available
Reports in 1 to 3 days.
Limitations
Results obtained from immunosuppressed patients should be interpreted with caution. Patients receiving mouse antibody therapy may produce false-negative results. False-positives may be detected shortly after immunization to influenza and with patients with hypergammaglobulinemia, positive rheumatoid factor, and connective tissue disorders.
Clinical Significance
This specialized test is used to assess Hepatitis B Immunoglobulin in pre and post infusion specimens.This specialized test is used to assess Hepatitis B Immunoglobulin in pre and post infusion specimens.
