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HelpTest Code MISC1WARDEOSTEC Osteocalcin
Department
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Reference Lab Test Number
OSTEC
Collection Requirements
Draw blood in a red top tube.
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.
Refer To
Primary Collection Container
Red (No Gel)
Alternate Collection Container
Lavender 4 mL (K3EDTA)
Transport
Serum frozen
Preferred Transport Temperature
Frozen
Processing
CRITICAL FROZEN.
Allow blood to clot at room temperature, spin and separate serum from cells wihtin 2 hours and freeze. Send 1.0 mL serum frozen in a screw capped plastic vial.
Stability
Ambient: Unacceptable
Refrigerated: 72 hours
Frozen: 3 months
Minimum Testing Volume
0.5 mL
Reference Range
Males: 9-38 ng/mL
Females: 8-32 ng/mL
Methodology
Electrochemiluminescence immuoassay (ECLIA)
Performed
Monday-Saturday
Reported
4-6 days
CPT Codes
83937
Unacceptable Conditions
Hemolysis, heat inactivated samples, serum separator tube (SST), specimens stabilized with azide,
patient administered with biotin within 8 hours