Test directory: Vitamin B6

Ordering Code5872
Test NameVitamin B6
AliasPyridoxal 5-Phosphate
Preferred SpecimenPlasma
Preferred ContainerEDTA, K2 (Lavender)
Other Specimen/ContainerPlasma in Lithium Heparin (Green), Plasma in Sodium Heparin (Green), Serum in Plain (Red), Serum in SST (Gold)
Optimum Volume1 mL
Collection InstructionsProtect from light
Protect from light immediately after collection, during processing, storage and shipment
Collect specimen after an overnight fast.
Handling InstructionsCentrifuge and separate within 1 hour of collection
Protect from light.
Transport RequirementsOahu: Frozen
Airline: Frozen
Specimen StabilityAmbient: 3 Hours
Refrigerated: 1 Week
Frozen: 2 Months
Rejection CriteriaIcteric, Not protected from light, Whole blood
Avail. StatNO
Analytic Time7 Days
MethodologyQuantitative High Performance Liquid Chromatography-Tandem
Mass Spectrometry
Reference Lab ARUP Laboratories

Reference range(s)

The reference ranges listed below are valid on this date of November 21, 2024.
ComponentAgeMale NormMale Critical LowMale Critical HighFemale NormFemale Critical HighFemale Critical LowUnitsAdd'l info
Vitamin B6 (Pyridoxal 5-Phosphate)ALL20-12520-125nmol/L

Pyridoxal 5'...
Pyridoxal 5'-phosphate measured in a specimen collected following an 8-hour or overnight fast accurately indicates vitamin B6 nutritional status. Non-fasting specimen concentration reflects recent vitamin intake

This test was developed and its performance characteristics determined by ARUP Laboratories. It has not been cleared or approved by the US Food and Drug Administration. This test was performed in a CLIA certified laboratory and is intended for clinical purposes
Note1

Note1:


Pyridoxal 5'-phosphate measured in a specimen collected following an 8-hour or overnight fast accurately indicates vitamin B6 nutritional status. Non-fasting specimen concentration reflects recent vitamin intake

This test was developed and its performance characteristics determined by ARUP Laboratories. It has not been cleared or approved by the US Food and Drug Administration. This test was performed in a CLIA certified laboratory and is intended for clinical purposes
.