Pyridoxal 5′-phosphate (CSF) – Ref LabSee reference lab website for details.https://www.labcorp.com/tests/620034/neurosure-metabolites-pyridoxal-5-phosphate-cerebrospinal-fluid-csfOverviewSpecimenPerformanceCodesAliases620034,PN0014159Specimen TypeSee reference lab website for details.https://www.labcorp.com/tests/620034/neurosure-metabolites-pyridoxal-5-phosphate-cerebrospinal-fluid-csf