Test Details
Mnemonic
PR3AB
Ordering Code
3091310
CPT-4 Code(s)
83516
Specimen Information
Collect
Serum separator tube (SST)
Specimen Preparation
Centrifuge, separate serum from cells and send 1.0 mL in a screw capped plastic vial.
Alternate Specimen
Plasma: 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
Enzyme Linked Fluorescent Immunoassay
Reference Range
<2.0 U/mL Negative
2.0 - 3.0 U/mL Equivocal
>3.0 U/mL Positive
2.0 - 3.0 U/mL Equivocal
>3.0 U/mL Positive
Performing Laboratory
Warde Medical Laboratory