ARUP's Laboratory Test Directory

Vitamin D, 25-Hydroxy : 0080379

Mnemonic: VIT D 25

Methodology: Chemiluminescent Immunoassay
Performed: Sun-Sat
Reported: 1-2 days
Specimen Required: Collect:  One 4 mL serum separator tube. Also acceptable: lavender (EDTA), pink (K2EDTA), or green (sodium or lithium heparin).

Transport:  1 mL serum or plasma at 2-8°C. (Min: 0.3 mL)  Submit specimen in an ARUP Standard Transport Tube.

Unacceptable Conditions:  Grossly hemolyzed or lipemic specimens.

Stability:  After separation from cells: Ambient: 3 days; Refrigerated: 1 week; Frozen: 6 months
Reference Interval:
Deficiency:  Less than 20 ng/mL
Insufficiency:  20-29 ng/mL
Optimum Level:  30-80 ng/mL
Possible Toxicity:  Greater than 80 ng/mL
Interpretive Data: This assay accurately quantifies the sum of vitamin D3, 25-Hydroxy and vitamin D2, 25-Hydroxy. 
CPT Code(s): 82306
 
 

 

 

 
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