Normal Values:

A negative test result is normal. When ketones are present in the urine, the results 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

Normal value ranges may vary slightly among different laboratories. Talk to your doctor about the meaning of your specific test results.

What abnormal results mean:

A positive test may indicate:

• Abnormal nutritional conditions
  • Anorexia
  • Fasting
  • High protein or low carbohydrate diets
  • Starvation
• Disorders of increased metabolism
  • Acute or severe illness
  • Burns
  • Fever
  • Hyperthyroidism
  • Nursing a baby (lactation)
  • Post-surgical condition
  • Pregnancy
• Metabolic abnormalities, including uncontrolled diabetes or glycogen storage disease
• Vomiting frequently over a long period of time