Bilirubin, total — lab reference
In the reference guideFasting, Gilbert syndrome, hemolysis, and liver disease may alter result.
THE PURSER WELLNESS LIBRARY
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What’s searchable?Fasting, Gilbert syndrome, hemolysis, and liver disease may alter result.
Correct for albumin when appropriate or measure ionized calcium.
Review direct and indirect fractions together.
Review albumin, globulin, and electrophoresis when indicated.
Screening measure, not a stand-alone treatment target.
Affected by thyroid-binding globulin, pregnancy, estrogen, and medications.
Affected by binding proteins and nonthyroidal illness.
Interpret with iron, transferrin saturation, and ferritin.
No universal wellness target. Interpret with B12, folate, B6, kidney, thyroid, genetics, and medications.
<10 severe deficiency; 10-19 mild-moderate deficiency. Toxicity assessment requires clinical context.
Morning collection preferred for men. Method and age matter; confirm unexpected low values.
No single normal cutoff fits every patient. Use age, baseline, trend, prostate size, risk factors, and shared decision-making.
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