VITAMIN B6 (PYRIDOXAL PHOSPHATE) - (P)
Test Code: VB6
This test is not to be used for general screening for Vitamin B6 deficiency. It should only be requested on patients at risk of being Vitamin B6 deficient.
Fasting (12-14 h) recommended, but non-fasting is acceptable.
Protect from light.
Plasma: 2.0 mL
Specimens must be separated and frozen within 1 hour of collection.
Within 2 Weeks
Spin and separate within 1 hour of collection. Protect from light by wrapping in foil. Specimen must be labeled inside and outside of light-protecting wrap. Store and send frozen to In-Common Laboratories. If specimen thaws, it is unsuitable for analysis.