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VITAMIN D 25, TOTAL
MessageThis is the primary test used to identify vitamin D insufficiency.
Test Code
LAB123264
Preferred Specimen
Adult: One Gold Top Tube
Pediatric: 2 Gold Top Microtainers
Pediatric: 2 Gold Top Microtainers
Minimum Volume
0.5mL Serum
Other Acceptable Specimens
One Red Top Tube
Instructions
Centrifuge within 1 hour of collection. Separate serum from cells if Red Top Tupe. Aliquot 0.5mL serum
Transport Temperature
Refrigerated
Specimen Stability
Ambient: 72 hours
Refrigerated: 12 days
Frozen: 1 Year
Refrigerated: 12 days
Frozen: 1 Year
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Moderate or Gross Hemolysis, Gross Lipemia
Methodology
Chemiluminescent Immunoassay
Performing Laboratory
West Virginia University Hospital, Inc.
Berkeley Medical Center
Jefferson Medical Center
