ARUP's Laboratory Test Directory

0020728: Osteocalcin by Electrochemiluminescent Immunoassay

Test Mnemonic: OSTEO NMID
Methodology: Electrochemiluminescent Immunoassay

Performed: Sun-Sat

Reported: Within 24 hours

Specimen Required:  
Collect: One 6 mL SST.  Also acceptable: lavender (EDTA), pink (K2EDTA), or green (sodium or lithium heparin).

Transport: 0.5 mL serum or plasma, frozen. (Min: 0.3 mL)  Submit specimen in an ARUP Standard Transport Tube.

Pediatric Collection/Transport: 0.3 mL serum or plasma, frozen.

Remarks: Separate serum or plasma from cells ASAP.

Unacceptable Conditions: Hemolyzed specimens.

Stability: After separation from cells: Ambient: 8 hours; Refrigerated: 3 days; Frozen: 3 months

Reference Interval:
 
Age Male Female
7-9 years 66-182 ng/mL 73-206 ng/mL
10-12 years 85-232 ng/mL 77-262 ng/mL
13-15 years 70-336 ng/mL 33-222 ng/mL
16-17 years 43-237 ng/mL 24-99 ng/mL
18 years and older 11-50 ng/mL 11-50 ng/mL

Interpretive Data:
In patients with renal failure the osteocalcin result can be elevated, both directly, due to impaired clearance, and indirectly, due to renal osteodystrophy.



CPT Code(s):
83937

 

 

 
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