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Ketones - urine



Male urinary system
Male urinary system


Ketones - urine

Alternative Names:

Ketone bodies - urine; Urine ketones: acetone, acetoacetic acid, and beta-hydroxybutyric acid
Normal Values:

A negative test result is normal. Results of the presence of acetone in the urine are usually listed as small, moderate or large with these corresponding values:

Small - < 20 mg/dL

Moderate - 30-40 mg/dL

Large - > 80 mg/dL


What abnormal results mean:

A positive test may indicate:

  • Metabolic abnormalities, including uncontrolled diabetes or glycogen storage disease
  • Abnormal nutritional conditions, including starvation, fasting, anorexia, high protein or low carbohydrate diets
  • Vomiting frequently over a long period of time, including hyperemesis gravidarum (a severe form of morning sickness)
  • Disorders of increased metabolism, including hyperthyroidism, fever, acute or severe illness, burns, pregnancy, lactation (nursing a baby),or post-surgical condition



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