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Laboratory: Clinical Biochemistry
Test Name:
Test Code: VB6
Clinical Information:
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. 
Collection Devices:
Protect from light.
Specimen Required:

Plasma: 2.0 mL

Specimens must be separated and frozen within 1 hour of collection.
Reference Values:
Within 2 Weeks
See Also:
More Information:
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.