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Vitamin B5 (Pantothenic Acid) [91030]
MessageFor Specimen Integrity during Extreme Weather see the “Lockbox Usage in Extreme Weather” document at the top of this page.
Test Code
VITB5
Alias/See Also
91030
CPT Codes
84591
Preferred Specimen
1 mL frozen serum collected in a light protected red-top tube (no gel)
Minimum Volume
0.5 mL
Other Acceptable Specimens
Frozen plasma collected in a light protected: EDTA (lavender-top) tube or sodium heparin (green-top) tube
Instructions
Pour serum or plasma into amber transport tube (preferred) or transport tube wrapped in aluminum foil to protect from light.
Transport Temperature
Frozen
Specimen Stability
Room temperature: Unacceptable
Refrigerated: Unacceptable
Frozen: 30 days
Refrigerated: Unacceptable
Frozen: 30 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Serum separator tube (SST)
Methodology
Chromatography/Mass Spectrometry
FDA Status
This test was developed and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by the U.S. Food and Drug Administration. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.
Setup Schedule
Set up: Mon, Wed, Fri; Report available: 1-4 days
Reference Range
<275 ng/mL
Clinical Significance
Vitamin B5 (Pantothenic Acid) is a component of coenzyme A and phosphopantetheine both of which are involved in fatty acid metabolism. It is essential to almost all forms of life and is widely distributed in food.
Performing Laboratory
Quest Diagnostics Nichols Institute Valencia
27027 Tourney Road
Valencia, CA 91355-5386
Last Updated: December 7, 2021