Methodology
Liquid Chromatography, Tandem Mass Spectrometry (LC/MS/MS)
Synonyms
Pyridoxal Phosphate; Pyridoxal; B6 Vitamin; Pyridoxine (B6) level, Pyridoxal 5-Phosphate
Specimen Type
Plasma
Performing Lab
Quest Diagnostics Valencia
Epic ID
LAB01103
Lab Test Days
Sunday-Friday
Standard TAT
1-4 Days
Collection Information
Specimen Required
1-2 mL Blood
Container Type
Lavender (EDTA)
Collection Instructions
Overnight fasting is required. Protect from light.
Processing Information - Lab Use Only
Transport Temperature
Frozen-Only
Specimen Stability
Room Temp: 6 Hours; Refrigerated: 12 Hours; Frozen: 42 Days
Rejection Criteria
Hemolysis; Lipemia
Test Volume Required
1 mL Plasma
Minimum Test Volume
0.5 mL Plasma
Processing Instructions
Separate plasma from cells within 6 hours of collection. Protect from light.
CPT Codes
84207
Revised
09-27-21