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Also reported in: umol/L
A normal bilirubin means red blood cell waste products are being processed and eliminated by the liver without accumulation. Normal bilirubin makes jaundice (yellowing of skin and eyes) essentially impossible. This requires the liver to be functioning adequately in its bilirubin conjugation and excretion steps.
Bilirubin is a yellow pigment produced when old red blood cells are broken down. Very low bilirubin means the liver is rapidly processing and eliminating this waste product. Some antioxidant activity is attributed to very low bilirubin, but an very low level is not a clinical concern in most cases.
Good result. Very low bilirubin is generally not a clinical concern.
Total Bilirubin: {{value}} {{unit}} — very low (ref: {{low}}–{{high}})A low bilirubin is consistent with the liver is efficiently conjugating and excreting bilirubin through bile. Low levels mean red blood cell breakdown products are being cleared without any buildup in the bloodstream. This is a favorable liver and blood processing result.
Good liver function indicator. No action needed.
Total Bilirubin: {{value}} {{unit}} — low (ref: {{low}}–{{high}})A borderline low bilirubin is entirely within the normal range and indicates no backup of blood cell waste products in the liver or bloodstream. The liver's bilirubin processing machinery is working efficiently. This is a reassuring finding.
No action needed. Healthy bilirubin clearance.
Total Bilirubin: {{value}} {{unit}} — low normal (ref: {{low}}–{{high}})A normal bilirubin means red blood cell waste products are being processed and eliminated by the liver without accumulation. Normal bilirubin makes jaundice (yellowing of skin and eyes) essentially impossible. This requires the liver to be functioning adequately in its bilirubin conjugation and excretion steps.
Normal result. No action needed.
Total Bilirubin: {{value}} {{unit}} — normal (ref: {{low}}–{{high}})Optimal total bilirubin reflects efficient hepatic processing of heme waste products. Interestingly, mildly elevated bilirubin (as seen in Gilbert's syndrome) has been associated with some antioxidant protection, but the optimal clinical range remains below 1.0 mg/dL. At this level, no bile pigment accumulation is occurring.
Excellent result. Liver bilirubin processing is in ideal shape.
Total Bilirubin: {{value}} {{unit}} — optimal (ref: 0.1–1.0)A borderline elevated bilirubin may reflect benign Gilbert's syndrome (a very common harmless genetic variant causing mild bilirubin elevation, especially with fasting or illness), mild hemolysis, or early cholestatic changes. It can also occur transiently with fasting, physical exertion, or mild dehydration. Checking direct versus indirect bilirubin fraction helps identify the cause.
Discuss with your doctor if this is a new finding. Gilbert's syndrome is very common and harmless. Direct bilirubin fraction will help clarify the cause.
Total Bilirubin: {{value}} {{unit}} — borderline elevated (ref: {{low}}–{{high}}; borderline: 1.2–2.0)When bilirubin rises above 2.0 mg/dL, the yellow pigment begins to accumulate in the skin and whites of the eyes — a condition called jaundice. Elevated bilirubin can be caused by liver disease reducing processing capacity, bile duct obstruction preventing excretion, or accelerated red blood cell destruction (hemolysis) overwhelming the liver's capacity.
See your doctor. Further testing including liver enzymes, direct bilirubin, liver ultrasound, and possibly blood count to check for hemolysis are needed to identify the cause.
Total Bilirubin: {{value}} {{unit}} — elevated (ref: {{low}}–{{high}}; elevated: >2.0)A very high bilirubin above 10 mg/dL represents noticeable jaundice with significant accumulation of bile pigments in the body. This level indicates serious liver failure, complete bile duct obstruction, massive hemolysis, or noticeable hepatitis. High bilirubin at this level can cause bilirubin encephalopathy (brain damage) and is associated with serious organ dysfunction.
This needs urgent medical attention. Seek hospital care immediately. Very high bilirubin requires urgent diagnosis and management to prevent serious complications.
Total Bilirubin: {{value}} {{unit}} — very high (ref: {{low}}–{{high}}; critical: >10)Upload your lab report and get your actual values interpreted in plain English — instantly, with no medical training required.