A B C D E F G H I J K L M N O P Q R S T U V W X Y Z #

Vitamin B6, Plasma 926

Test Code
VITB6


Alias/See Also
VITB6


CPT Codes
84207

Preferred Specimen
1 mL plasma collected in an EDTA (lavender-top) tube - protected from light


Patient Preparation
Overnight fasting is required

Minimum Volume
1


Instructions
Fasting specimen. Draw one Lavender protect from light plasma sent frozen


Transport Container
LAV


Transport Temperature
F


Specimen Stability
Room temperature: 72 hours
Refrigerated: 5 days
Frozen -20°C: 14 days
Frozen -70°C: 42 days


Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Hemolysis • Lipemia • Received room temperature • Received refrigerated • Not light protected


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 FDA. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.

Setup Schedule
Set up: Mon-Sat; Report available: 2-4 days


Reference Range
0-1 year Not established
2-17 years 3.0-35.0 ng/mL
≥18 years 2.1-21.7 ng/mL


Clinical Significance
Test is used to determine vitamin B6 deficiency or overdosage, for monitoring treatment, and to evaluate wellness and health.


Performing Laboratory
Quest Diagnostics Nichols Institute
14225 Newbrook Drive
Chantilly, VA 20153



The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.