Vitamin B6, Plasma : 1015593

Test Code
VITB6Q or 1015593

Alias/See Also
Pyridoxal Phosphate,Pyridoxal; B6 Vitamin

CPT Codes
84207

Instructions
Overnight fasting is required.

Lavender (EDTA). Protect from light.

Transport Container
Protect from light. Centrifuge lavender top tube and aliquot 1 mL plasma (Min: 0.5 mL) into an amber transport tube (preferred) or protect the transport tube from light with foil or place in an amber bag. If separation of cells cannot be performed immediately after collection, keep the whole blood refrigerated and protect from light. The separation of cells must be completed within 6 hours. Freeze ASAP or within 12 hours.

Transport Temperature
Frozen.

Specimen Stability
Ambient: 6 hours; Refrigerated: 12 hours; Frozen: -20 6 days, -70 42 days

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Hemolysis, Lipemia, Thawed Plasma, Specimens not protected from light, Received at refrigerated or room temperatures, Collected in tubes other than lavender top tubes.

Methodology
Liquid Chromatography/Tandem Mass Spectrometry (LC/MS/MS)

Setup Schedule
Sunday - Friday

Report Available
1-4 days (From receipt at performing laboratory)

Reference Range
2-17 Years: 3.0-35.0 ng/mL
Adult: 2.1-21.7 ng/mL

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

Performing Laboratory
Quest Diagnostics



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.