Transferrin — lab reference
In the reference guideNegative acute-phase reactant; affected by liver function and nutrition.
THE PURSER WELLNESS LIBRARY
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What’s searchable?Negative acute-phase reactant; affected by liver function and nutrition.
Calculated from iron and TIBC. Fasting and timing improve consistency.
Can help distinguish iron deficiency from inflammation; use performing-lab interval.
Interpret with iron, transferrin saturation, and ferritin.
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.
Useful with MCV for mixed nutrient deficiencies and evolving anemia.
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