Vitamin E, alpha-tocopherol — lab reference
In the reference guideInterpret relative to lipids when appropriate; assay-specific.
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What’s searchable?Interpret relative to lipids when appropriate; assay-specific.
<150 supports deficiency; 150-400 is often treated as borderline and may warrant MMA/homocysteine review.
Fasting and supplement abstention improve interpretability.
Recent supplementation can elevate; very high values may be clinically relevant.
Fasting, liver function, inflammation, and carrier proteins matter.
Highly preanalytic-sensitive. Fasting, processing, and recent intake matter.
Preanalytic and assay variability is high. Use exact laboratory intervals and a defined clinical use case.
Interpret with kidney function, calcium, vitamin D, and PTH.
Not a routine vitamin D status test. Interpret with calcium, phosphorus, kidney function, and PTH.
Reagent-specific. Interpret with INR, liver function, vitamin K, and anticoagulants.
Interpret with calcium, phosphorus, magnesium, vitamin D, and kidney function.
Lab-specific. Interpret with symptoms, medication effects, and differential.
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