Test Details
Mnemonic
OSTEC
Ordering Code
3702450
CPT-4 Code(s)
83937
Specimen Information
Patient Preparation
Dietary supplements containing biotin may interfere in assays and may skew results to be
either falsely high or falsely low. For patients receiving the recommeded daily doses of biotin,
draw samples at least 8 hours following the last biotin supplementation. For patients on megadoses of biotin supplements, draw samples at least 72 hours following the last biotin
supplementation.
either falsely high or falsely low. For patients receiving the recommeded daily doses of biotin,
draw samples at least 8 hours following the last biotin supplementation. For patients on megadoses of biotin supplements, draw samples at least 72 hours following the last biotin
supplementation.
Collect
Red top
Specimen Preparation
Allow blood to clot at room temperature, spin and separate serum from cells within 2 hours and freeze. Send 1.0 mL serum in a screw capped plastic vial. CRITICAL FROZEN.
Alternate Specimen
Plasma: EDTA
Minimum Volume
0.5 mL
Transport Temperature
Critical Frozen
Rejection Criteria
Hemolysis, heat inactivated samples, serum separator tube (SST), specimens stabilized with azide,
patient administered with biotin within 8 hours
patient administered with biotin within 8 hours
Stability
Room temperature: Unacceptable
Refrigerated: 24 hours
Frozen: 21 days
Refrigerated: 24 hours
Frozen: 21 days
Methodology
Electrochemiluminescence Immuoassay (ECLIA)
Reference Range
See report
Performing Laboratory
Quest SJC
New York DOH Approval Status
Yes