Methodology
Liquid Chromatography/Tandem Mass Spectrometry (LC/MS/MS)
Synonyms
Vitamin D2; 25-Hydroxyergocalciferol (25ohd2); Vitamin D3; D2 Vitamin; 25-Hydroxyvitamin D3; 25-OH-D3; 25OHD3; Vitamin D; 25-Hydroxyvitamin D2
Specimen Type
Serum
Performing Lab
Quest Diagnostics Valencia
Epic ID
Other Reference Test
Lab Test Days
Daily
Standard TAT
1-2 Days
Collection Information
Specimen Required
1-1.5 mL Blood
Container Type
Red Top (No Additive)
Collection Instructions
Fasting preferred but not required.
Processing Information - Lab Use Only
Transport Temperature
Refrigerate-OK/Frozen-OK/Ambient-OK
Specimen Stability
Room Temp: 21 Days; Refrigerated: 21 Days; Frozen: 21 Days
Rejection Criteria
Gross hemolysis; Gross lipemia; Heparinized or EDTA plasma; Grossly icteric
Test Volume Required
0.5 mL Serum
Minimum Test Volume
0.3 mL Serum
Processing Instructions
Separate serum from cells immediately.
Included Tests
Vitamin D, 25-OH, Total, Vitamin D, 25-OH D3 and Vitamin D, 25-OH D2
CPT Codes
82306
Revised
11-17-17
Initials
SL