High total bilirubin means bilirubin — a breakdown product of red blood cells — is elevated, often from liver disease, bile duct blockage, or increased hemolysis. It commonly causes jaundice, dark urine, pale stools, itching and fatigue. Persistent or very high levels need prompt evaluation with blood tests, imaging and possibly specialist referral to determine the cause and treat underlying liver, bile duct or blood disorders.

Total bilirubin is the combined amount of unconjugated (indirect) and conjugated (direct) bilirubin in the blood. Bilirubin is a pigment formed when red blood cells break down and is processed by the liver for excretion. Elevated total bilirubin may cause jaundice and can indicate liver dysfunction, bile duct obstruction, or increased red-cell breakdown; abnormal results usually lead to further testing.

Lower total bilirubin by treating its cause: get medical evaluation and liver function tests; manage hepatitis, hemolysis or bile duct obstruction; stop alcohol and hepatotoxic drugs; maintain healthy weight, balanced diet, hydrate, and control diabetes; consider vaccinations for hepatitis A/B; use prescribed treatments (e.g., ursodeoxycholic acid when indicated). Many mild elevations (Gilbert’s) need reassurance rather than treatment.

Adopt a liver-friendly, balanced diet: avoid alcohol and processed/high-sugar foods; limit saturated fat and salt. Emphasize fruits, vegetables (especially leafy greens and cruciferous veg), whole grains, high-fiber foods, and lean proteins (fish, poultry, legumes). Stay hydrated, eat small regular meals, and maintain a healthy weight. Discuss personalized advice and medication interactions with your doctor.

Treatment depends on cause. Newborns: phototherapy and exchange transfusion if severe. Adults: treat the underlying problem—relieve biliary obstruction (ERCP/surgery), manage hemolysis (transfusions, steroids/IVIG), treat infections or liver disease, and stop offending drugs. Supportive care (hydration, nutrition) and regular monitoring are essential; severe liver failure may require transplant. Consider medication adjustments and specialist referral.

There's no single bilirubin cutoff that alone defines liver failure. Acute liver failure is diagnosed by coagulopathy (INR ≥1.5) and encephalopathy. Many criteria for acute-on-chronic or severe hepatic dysfunction use serum bilirubin ≥5 mg/dL (≈85 µmol/L) as a threshold; bilirubin >10–20 mg/dL often indicates severe liver injury and poor prognosis.