VITAMIN B6
Marquette General Health System

General Info

HLAB/HOL Code

  VITB6

MGH LIS Test No

  969

Schedule

  M-F

Testing Time

  4 Days

Testing Lab

  Quest Valencia

QORR Test Code

  VITB6

Specimen Info

Type

  Plasma EDTA  

Volume

  1 (0.5) mL

Temperature

  Frozen

Preservative

   

Collection Info

  Draw blood into light protected lavender top 
evacuated tube, following an overnight fast. 
Patient must be restricted from alcohol and 
vitamins for at least 24 hours before a sample 
collection, keep the whole blood refrigerated 
and protect from light. The separation of 
cells must be completed within 6 hours. 
Separate cells by centrifugation at 2-8 C 
(2200-2500 rpm, 800-1000g) for 5-10 minutes.  
If no refrigerated centrifuge is available, 
chill specimen at 2-8 C before centrifugation.
Transfer plasma to dark brown polypropelene
or plyethylene transport tubes to protect from 
light. Alternately, neutral color polypropylene 
or polyethylene tubes can be used if wrapped in 
aluminum foil. Freeze the tubes at -10 to -30 C. 
Ship frozen.  Patient follows an overnight fast, 
and restricted from alcohol and 
vitamins for at least 24 hrs. 

-70 Degrees: 6 Weeks stability 
 
Specimen Acceptability

Methods
LC/MS/MS

Clinical Utilities

CPT Codes
84207

The CPT codes provided 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 payer being billed.

Reference Range
< 2 years: Call Quest Valencia Client 
Services via MGHS Client Services.
< 18 years: 3 - 35  ng/mL
>= 18 years: 2.1 - 21.7  ng/mL

Component Information

Collection Notes

Additional Comments

 

Questions or Comments email support@mgh.org

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Marquette General Health System Home Page