Test Details
Mnemonic
VITA
Ordering Code
1060200
CPT-4 Code(s)
84590
Specimen Information
Patient Preparation
Fast overnight (12-14 hours).
Infant: Collect prior to next feeding.
Infant: Collect prior to next feeding.
Collect
Red top
Specimen Preparation
Centrifuge, separate serum from cells within 2 hours and send 1.0 mL serum in an amber screw capped plastic vial. PROTECT FROM LIGHT. CRITICAL FROZEN.
Alternate Specimen
Serum separator tube (SST)
Minimum Volume
0.5 mL
Transport Temperature
Critical frozen
Rejection Criteria
Specimen not protected from light
Specimen not frozen
Specimen not frozen
Stability
Room temperature: Unacceptable
Refrigerated: Unacceptable
Frozen: 60 days
Refrigerated: Unacceptable
Frozen: 60 days
Methodology
High Performance Liquid Chromatography
Reference Range
38 - 106 ug/dL
Performing Laboratory
Warde Medical Laboratory
New York DOH Approval Status
Yes