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Vitamin D, 25-Hydroxy

Important Note

Note: Do not confuse this test with the less commonly ordered 1,25-Dihydroxyvitamin D, Serum.

Additional Codes

LAB535

Performing Laboratory

MBMC Main Laboratory

Methodology

Electro-chemiluminescence binding assay (ECLIA)

 

Specimen Requirements

Specimen Type: Plasma
Container/Tube: Mint-green top (lithium heparin gel)Gold top, serum gel
Specimen Volume: Full tube

 

Alternative Specimen Type:  Serum

Alternative Container/ Tube: Gold top, serum gel

Alternative Specimen Volume: Full tube

Specimen Transport Temperature

Ambient/Refrigerate 24 hours OK

Day(s) Test Set Up

Monday through Sunday
Turnaround Time:
STAT: 1 hour after receipt in laboratory
Routine: within 4 hours

Reference Values

0-18 years:      20-100 ng/mL

18-150 years:  30-80 ng/mL

Test Classification and CPT Coding

82306

Stability

4 days Refrigerated