Osteocalcin by Electrochemiluminescent Immunoassay
| Abbrev Code: | OSTCAL | ||
| Order Code: | LAB5571 | Order Name: | Osteocalcin |
| Synonyms: | Bone GLA Protein | ||
| Methodology: | Electrochemiluminescent immunoassay | ||
| CPT Codes: | 83937 x1 | ||
| Turnaround Time: | Specimens are sent to reference laboratory Mon-Sat; results are reported within 1-4 days. | ||
Collection Instructions
| Specimen: | Blood |
| Optimal Volume: | 1 mL |
| Minimum\Peds Volume: | 0.8 mL |
| Container: | Red or gold (gel) Alternate Containers: Green (lithium heparin, gel), Green (sodium heparin, no gel), Purple (EDTA), Red (no gel) |
| Causes for Rejection: | Hemolyzed samples. |
Processing and Shipping
| Specimen Processing: | Separate serum from cells ASAP. Centrifuge and aliquot 0.5 mL, 0.3 mL minimum. Store in freezer. |
| Shipping Instructions: | Ship on dry ice. |
| Test Performed at or Referral Lab | Lab Sendouts (ARUP) |
| Referral Lab number: | 20728 |
Interpretive
| Reference Range: |
A reference range for patients under 6 months of age is not provided by the reference laboratory.
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| Use: | In patients with renal failure the osteocalcin result can be elevated directly, due to impaired clearance and indirectly due to renal osteodystrophy. |
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