Test Details
Mnemonic
B2GA
Ordering Code
3017660
CPT-4 Code(s)
86146
Specimen Information
Collect
Serum separator tube (SST)
Specimen Preparation
Centrifuge, separate and send 1.0 mL serum refrigerated in a screw capped plastic vial.
Alternate Specimen
Lavender EDTA
Minimum Volume
0.5 mL
Transport Temperature
Refrigerated
Rejection Criteria
Heparinized plasma; hemolysis; lipemia
Stability
Room temperature: 8 hours
Refrigerated: 14 days
Frozen: Undetermined
Refrigerated: 14 days
Frozen: Undetermined
Methodology
Fluorescence Enzyme Immunoassay (FEIA)
Reference Range
< 7 U/mL Negative
7 - 10 U/mL Equivocal
>10 U/mL Positive
7 - 10 U/mL Equivocal
>10 U/mL Positive
Performing Laboratory
Warde Medical Laboratory