Test Details
Mnemonic
OPTSP
Ordering Code
1808205
CPT-4 Code(s)
80361, 80365 (G0480)
Specimen Information
Collect
Red top
Specimen Preparation
Centrifuge, separate serum from cells and send 1.0 mL serum in a screw capped plastic vial.
Alternate Specimen
Lavender EDTA, green sodium or lithium heparin, gray sodium fluoride
Minimum Volume
0.5 mL
Transport Temperature
Refrigerated
Rejection Criteria
Serum separator tube (SST), grossly lipemic, hemolyzed, and icteric specimens.
Stability
Room temperature: 48 hours
Refrigerated: 14 days
Frozen: 14 days
Refrigerated: 14 days
Frozen: 14 days
Methodology
High Performance Liquid Chromatography/Tandem Mass Spectrometry
Reference Range
<5.0 ng/mL
For medical use only.
For medical use only.
Performing Laboratory
Warde Medical Laboratory
New York DOH Approval Status
No