Test Details
Mnemonic
VITD
Ordering Code
1007180
CPT-4 Code(s)
82306
Specimen Information
Patient Preparation
Fasting preferred, but not required.
Collect
Serum separator tube (SST)
Specimen Preparation
Centrifuge, separate serum from cells and send 0.8 mL serum in a screw capped plastic vial
Alternate Specimen
Serum: Red top
Minimum Volume
0.5 mL
Transport Temperature
Refrigerated
Rejection Criteria
Hemolyzed or moderately lipemic specimens, plasma
Stability
Room temperature: 7 days
Refrigerated: 7 days
Frozen: 28 days
Refrigerated: 7 days
Frozen: 28 days
Methodology
Chemiluminescence
Reference Range
Vitamin D sufficiency: 30-100 ng/mL
Performing Laboratory
Quest Valencia