ARUP's Laboratory Test Directory

Osteocalcin by Electrochemiluminescent Immunoassay : 0020728

Mnemonic: OSTEO NMID

Methodology: Quantitative Electrochemiluminescent Immunoassay
Performed: Tue-Sat
Reported: 1-4 days
Specimen Required: Collect: Serum separator tube. Also acceptable: Lavender (EDTA), pink (K2EDTA), or green (sodium or lithium heparin).

Specimen Preparation: Separate serum or plasma from cells ASAP or within 2 hours of collection. Transfer 0.5 mL serum or plasma to an ARUP Standard Transport Tube. (Min: 0.3 mL)

Storage/Transport Temperature: Frozen.

Unacceptable Conditions: Hemolyzed specimens.

Stability (collection to initiation of testing): After separation from cells: Ambient: 8 hours; Refrigerated: 72 hours; Frozen: 3 months
Reference Interval:
 
Age Male Female
6 months-6 years 39-121 ng/mL 44-130 ng/mL
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
 
 

 

 

 
All ARUP Sites:        www.aruplab.com     ·     www.arupconsult.com     ·     www.arup.utah.edu     ·     www.childx.org     ·     www.utahblood.org