Blood/hemoglobin, urine — lab reference
In the reference guideConfirm with microscopy; exercise, menstruation, myoglobin, and hemolysis may interfere.
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What’s searchable?Confirm with microscopy; exercise, menstruation, myoglobin, and hemolysis may interfere.
Specimen choice, timing, recent seafood/supplements, provoked vs unprovoked collection, and public-health thresholds matter.
Lab-specific. Interpret with symptoms, medication effects, and differential.
Altitude, smoking, hydration, androgen therapy, and pregnancy may shift values.
Consider altitude and iron/B12/folate status. Pregnancy requires trimester-specific ranges.
Analyzer-specific. Review with MCV and MCHC.
Analyzer-specific; hemolysis and cold agglutinins may interfere.
Protein intake, hydration, catabolism, GI bleeding, and kidney function affect result.
Normal <5.7; prediabetes 5.7-6.4; diabetes ≥6.5. Altered RBC turnover can make A1C unreliable.
Fasting and supplement abstention improve interpretability.
Spot urine is useful mainly for populations; individual status requires careful collection and interpretation.
Color and clarity are nonspecific; review medications, hydration, and sediment.
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