ARUP's Laboratory Test Directory

0080379: Vitamin D, 25-Hydroxy

Test Mnemonic: VIT D 25
Methodology: Chemiluminescent Immunoassay

Performed: Sun-Sat

Reported: 1-2 days

Specimen Required:  
Collect: One 4 mL SST. 

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

Pediatric Collection/Transport: 0.3 mL serum or plasma at 2-8°C.

Stability: After separation from cells: Ambient: 3 days; Refrigerated: 5 days; 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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