VITAMIN B6, PLASMA OR SERUM
Marquette General Health System

General Info

Alpha Code

   VITB6

MGH LIS Test No

   969

Schedule

   Monday, Wednesday, Friday

Testing Time

   1 day

Testing Lab

   Mayo Labs

QORR Test Code

   VITB6

Specimen Info

Type

      

Volume

    

Temperature

   Frozen

Preservative

    

Collection Info

   Plasma
Draw blood in a green-top (heparin) tube(s) following an overnight
(12-14 hour) fast. Patient must not consume any alcohol or ingest
Vitamin supplement 24 hours before the specimen is drawn. 
(Plasma gel tube is not acceptable.) Spin down and send 
1.0 mL of  heparinized plasma frozen in plastic vial. Protect 
specimen from prolonged exposure to light.
Note:      1. Indicate plasma on request form.
                  2. Label specimen appropriately (plasma). 

Serum
Draw blood in a plain, red-top tube(s) following an overnight
(12-14 hour) fast. Patient must not consume any alcohol or ingest
Vitamin supplement for 24 hours before the specimen is drawn. 
(Serum gel tube is not acceptable.) Spin down and send 
1.0 mL of serum frozen in plastic vial. Protect specimen from 
prolonged exposure to light.
Note:     1. Indicate serum on request form.
                  2. Label specimen appropriately (serum). 
 
Specimen Acceptability

Methods
High Pressure Liquid Chromatography (HPLC) Includes pyridoxol (pyridoxine), pyridoxal, pyridoxal phosphate, and pyridoxic acid Useful for evaluation of persons who present burning mouth syndrome and for evaluation of persons with chronic progressive nerve compression disorders, such as carpal tunnel and tarsal tunnel syndromes.

Clinical Utilities

CPT Codes
84207

Reference Range
5-50 ug/L

Component Information

Collection Notes

Additional Comments

 

Questions or Comments email support@mgh.org

Reference Lab Home Page
Laboratory Main Page
Marquette General Health System Home Page