Transferrin saturation — lab reference
In the reference guideCalculated from iron and TIBC. Fasting and timing improve consistency.
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What’s searchable?Calculated from iron and TIBC. Fasting and timing improve consistency.
Ask your clinician to read this result with iron, transferrin saturation, and ferritin.
Negative acute-phase reactant; affected by liver function and nutrition.
Can help distinguish iron deficiency from inflammation; use performing-lab interval.
Your lab may use its own range. Symptoms, medicines, and the types of white blood cells also matter.
Altitude, smoking, hydration, androgen therapy, and pregnancy may shift values.
Ask your clinician to consider altitude and iron/B12/folate status. Pregnancy requires trimester-specific ranges.
Hydration and altitude are major modifiers. Ask your clinician to review alongside hemoglobin and RBC indices.
Macrocytosis and microcytosis require cause-specific interpretation.
The test method matters. Ask your clinician to 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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