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VITAMIN B6 (PYRIDOXINE)
Number 580
CPT Code 84207
Alias PYRIDOXINE, PYRIDOXAL-5-PHOSPHATE
Specimen Container Lavender Top
Specimen Type Plasma EDTA
Turn Around Time 
Days Performed 
Reference Range Male: 5.3-46.7 ug/L; Female: 2.0-32.8 ug/L
Alternate Specimen Green top heparin tube
Volume 2 mL Plasma
Stability Ambient 14 Days
Stability Refrigerated 14 Days
Stability Frozen 16 Days
Patient Preparation 
Methodology 

High-pressure liquid chromatography (HPLC)

Limitations 

Evaluation is complicated by the knowledge that some individuals have an unusually high requirement for vitamin B6.

Rejection Criteria 

Specimen not protected from light; hemolysis

Additional Instructions 

Protect from light

Performing Laboratory Reference Laboratory
TagsPLP, B6

COVID-19 Testing Guidance

Primex Clinical Laboratories strives to provide clients with quality testing services to better support patient health. With the ongoing pandemic, COVID-19 testing has become high in demand yet testing supplies are limited.

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COVID-19 Testing Guidance

Primex Clinical Laboratories strives to provide clients with quality testing services to better support patient health. With the ongoing pandemic, COVID-19 testing has become high in demand yet testing supplies are limited.

Read More