Osteocalcin by Electrochemiluminescent Immunoassay : ARUP Lab Tests

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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

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