Superoxide dismutase activity — lab reference
In the reference guideRBC, plasma, and cellular assays are not interchangeable.
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What’s searchable?RBC, plasma, and cellular assays are not interchangeable.
Direct renin and plasma renin activity are not interchangeable.
Method-specific; establish clinical use and repeatability.
Use performing-lab range and trend with C4/CH50 and disease activity.
A family of enzymes made by the body that convert superoxide into hydrogen peroxide.
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.
Hydration and altitude are major modifiers. Review alongside hemoglobin and RBC indices.
Macrocytosis and microcytosis require cause-specific interpretation.
Analyzer-specific. Review with MCV and MCHC.
Analyzer-specific; hemolysis and cold agglutinins may interfere.
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