Test Overview
Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS)
Determining vitamin B6 status, including in persons who present with progressive nerve compression disorders, such as carpal tunnel and tarsal tunnel syndromes; determining the overall success of a vitamin B6 supplementation program; and diagnosis and evaluation of hypophosphatasia.
5 - 50 mcg/L
* Reference ranges may change over time. Please refer to the original patient report when evaluating results.
Test Details
2 - 5 days
- B6
- Pyridoxal Phosphate
- Pyridoxal 5-Phosphate Level
- PLP
- VITAMIN B6, PLASMA OR SERUM
- Vitamin B6
- B6
Specimen Requirements
Collect specimen in a green top tube following an overnight (12-14 hour) fast. Patient should abstain from taking vitamin supplements for 24 hours prior to specimen collection. Centrifuge in a 4 degree centrifuge within 2 hours, aliquot plasma into plastic vial, and freeze. Protect specimen from light.
Fasting specimen. Protect specimen from light. STRICT FROZEN
Additional Information
Test sent to Mayo Medical Laboratories.