Urology Book


Urine Bilirubin

Aka: Urine Bilirubin, Urobilinogen
  1. Confirmatory Test
    1. Ictotest
  2. Normal
    1. Negative for Bilirubin
  3. Positive for Conjugated Bilirubin
    1. Hepatitis
      1. Viral Hepatitis
      2. Toxic Hepatitis
      3. Drug Induced Hepatitis
    2. Biliary tract obstruction
  4. Positive for Urobilinogen
    1. Hepatitis
    2. Liver disease
      1. Cirrhosis
      2. Liver Metastases
      3. Liver infarction
    3. Hemolytic Jaundice
  5. Gross urine findings if Conjugated Bilirubin present
    1. Dark Urine with yellow foam
    2. Sediment elements may be stained
  6. Causes of False PositiveBilirubin on Urinalysis
    1. Pyridium
  7. Causes of False NegativeBilirubin on Urinalysis
    1. Thorazine
    2. Selenium

Urobilinogen (C0042052)

Definition (MSH) A colorless compound formed in the intestines by the reduction of bilirubin. Some is excreted in the feces where it is oxidized to urobilin. Some is reabsorbed and re-excreted in the bile as bilirubin. At times, it is re-excreted in the urine, where it may be later oxidized to urobilin.
Concepts Biologically Active Substance (T123) , Organic Chemical (T109)
MSH D014558
SnomedCT 44079009
LNC LP15942-3, MTHU003204
English 21H-Biline-8,12-dipropanoic acid, 2,17-diethyl-1,4,5,10,15,16,19,22,23,24-decahydro-3,7,13,18-tetramethyl-1,19-dioxo-, Urobilinogen [Chemical/Ingredient], urobilinogens, urobilinogen, Urobilinogen, UBG - Urobilinogen, UROB - Urobilinogen, Urobilinogen (substance), Urobilinogen, NOS
Swedish Urobilinogen
Czech urobilinogen
Finnish Urobilinogeeni
Polish Urobilinogen
Spanish urobilinógeno (sustancia), urobilinógeno, Urobilinógeno
French Urobilinogène
German Urobilinogen
Italian Urobilinogeno
Portuguese Urobilinogênio
Derived from the NIH UMLS (Unified Medical Language System)

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