Test Code VIT D Vitamin D, 25 Hydroxy, Serum
Performing Laboratory
NRL- Chemistry
Methodology
Enzyme Immunoassay (EIA)
Note: Do not confuse this test with the less commonly ordered #VITD 125 1,25-Dihydroxyvitamin D, Serum.
Specimen Requirements
Specimen Type: Serum
Container/Tube: Gold, serum gel
Specimen Volume: 1 mL
Collection Instructions:
1. Spin down unopened (vacuum intact) tube within 45 minutes of draw.
2. Label specimen as serum
Reference Values
<18 years: 20-100 ng/mL
≥18 years: 30-80 ng/mL
Day(s) Test Set Up
Continuous
Turnaround Time:
STAT-not available
Routine-results available the day of testing
Specimen Transport Temperature
Refrigerate 4 days/Frozen OK
Test Classification and CPT Coding
82306