Serum iron — lab reference
Some search terms matchedMorning fasting collection is preferred when practical. Day-to-day variation is substantial.
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What’s searchable?Transferrin — lab reference
Some search terms matchedNegative acute-phase reactant; affected by liver function and nutrition.
Transferrin saturation — lab reference
Some search terms matchedCalculated from iron and TIBC. Fasting and timing improve consistency.
Ferritin — lab reference
Some search terms matchedAcute-phase reactant. Menstruation, menopause, inflammation, liver disease, and iron therapy matter.
Vitamin B12 — lab reference
Some search terms matched<150 supports deficiency; 150-400 is often treated as borderline and may warrant MMA/homocysteine review.
Folate, serum — lab reference
Some search terms matched<4.0 suggests deficiency. Recent intake or supplementation may raise serum values.
Methylmalonic acid — lab reference
Some search terms matchedMore specific for cellular B12 deficiency; kidney impairment can elevate.
Haptoglobin — lab reference
Some search terms matchedAcute-phase reactant; used in hemolysis evaluation with LDH, bilirubin, and reticulocytes.
Soluble transferrin receptor — lab reference
Some search terms matchedCan help distinguish iron deficiency from inflammation; use performing-lab interval.
Erythropoietin — lab reference
Some search terms matchedInterpret relative to hemoglobin, oxygenation, and kidney function.
1,25-dihydroxyvitamin D — lab reference
Some search terms matchedNot a routine vitamin D status test. Interpret with calcium, phosphorus, kidney function, and PTH.
Vitamin B1, whole blood TDP — lab reference
Some search terms matchedFasting and supplement abstention improve interpretability.
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