Vitamin B6, plasma PLP — lab reference
In the reference guideRecent supplementation can elevate; very high values may be clinically relevant.
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What’s searchable?Recent supplementation can elevate; very high values may be clinically relevant.
Highly preanalytic-sensitive. Fasting, processing, and recent intake matter.
Normal <100; prediabetes 100-125; diabetes ≥126 on confirmatory testing unless unequivocal hyperglycemia.
Diabetes may be diagnosed at ≥200 with classic symptoms or hyperglycemic crisis.
<150 supports deficiency; 150-400 is often treated as borderline and may warrant MMA/homocysteine review.
Fasting and supplement abstention improve interpretability.
Fasting, liver function, inflammation, and carrier proteins matter.
Interpret relative to lipids when appropriate; assay-specific.
Direct renin and plasma renin activity are not interchangeable.
How you sit or lie down for the sample, and stress during collection, can affect this result. Use the cutoff from the lab that ran your test.
Ask your clinician to read this result with kidney function, calcium, vitamin D, and PTH.
No universal wellness target. Ask your clinician to read this result with B12, folate, B6, kidney, thyroid, genetics, and medications.
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