Bilirubinuria

Bilirubinuria
Bilirubin
Classification and external resources
ICD-10	R82.2
ICD-9-CM	791.4
Patient UK	Bilirubinuria

In medicine, bilirubinuria is an abnormality in which conjugated bilirubin is detected in the urine.^[1]

The term "biliuria" is very similar, but more general. It refers to the presence of any bile pigment in the urine.

Causes

The most common cause of bilirubinuria is hepatocellular disease. More rare causes include inherited disorders, such as Dubin-Johnson syndrome and Rotor syndrome.^[2]

Although Gilbert's syndrome and Crigler-Najjar syndrome are characterized by increased bilirubin in the serum, the bilirubin in these inherited disorders is not conjugated and thus not excreted in the urine.

References

↑ bilirubinuria at eMedicine Dictionary
↑ Patient.UK. URL: http://www.patient.info/showdoc/40001082/. Accessed on: May 8, 2008.

Components and results of urine tests (CPT 81000–81099; R80–R82, 791)

Components

Chemical properties

Abnormal findings

Red blood cells	Hematuria (Microscopic hematuria)

White blood cells	Eosinophiluria

Proteinuria	Albuminuria/Microalbuminuria Myoglobinuria Hemoglobinuria

Small molecules	Glycosuria Ketonuria Bilirubinuria Hyperuricosuria/Hypouricosuria Aminoaciduria

Pathogens	Bacteriuria

Other	Chyluria Crystalluria osmolality (Isosthenuria, Hypersthenuria)

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