Test directory: Vitamin B6, Plasma

Ordering Code 719
Test Name Vitamin B6, Plasma
Preferred Specimen Plasma
Preferred Container EDTA, K2 (Lavender)
Optimum Volume 1 mL
Collection Instructions Protect from light. Overnight fasting is required.
Handling Instructions Protect from light. Centrifuge and separate within 24 hours
Specimen is forwarded to another lab for testing; do not share with other tests.
Transport Requirements Oahu: Frozen
Airline: Frozen
Specimen Stability Ambient: 72 Hours
Refrigerated: 5 Days
Frozen -20: 14 Days
Frozen -70: 42 Days
Rejection Criteria Hemolyzed, Lipemic, Not protected from light
Avail. Stat NO
Analytic Time 14 Days
Methodology Chromatography/Mass Spectrometry
Reference Lab  Quest Diagnostic Lab-NI

Reference range(s)

The reference ranges listed below are valid on this date of May 23, 2026.
Component Age Male Norm Male Critical Low Male Critical High Female Norm Female Critical High Female Critical Low Units Add'l info
Vitamin B6 ALL See report.