Osteocalcin by Electrochemiluminescent Immunoassay

Abbrev Code:OSTCAL   
Order Code:LAB5571Order 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

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


Reference Range:





6 mo-6 y

39-121 ng/mL

44-130 ng/mL

7-9 y

66-182 ng/mL

73-206 ng/mL

10-12 y

85-232 ng/mL

77-262 ng/mL

13-15 y

70-336 ng/mL

33-222 ng/mL

16-17 y

43-237 ng/mL

24-99 ng/mL

18 y and older

11-50 ng/mL

11-50 ng/mL

A reference range for patients under 6 months of age is not provided by the reference laboratory.


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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