Vitamin B12 — lab reference
Some search terms matched<150 supports deficiency; 150-400 is often treated as borderline and may warrant MMA/homocysteine review.
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What’s searchable?<150 supports deficiency; 150-400 is often treated as borderline and may warrant MMA/homocysteine review.
<10 severe deficiency; 10-19 mild-moderate deficiency. Toxicity assessment requires clinical context.
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.
Interpret relative to lipids when appropriate; assay-specific.
Highly preanalytic-sensitive. Fasting, processing, and recent intake matter.
Age-adjusted and assay-specific diagnostic strategies may apply. Not a stand-alone thrombosis diagnosis.
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