Ketones are produced when the body burns fat for energy instead of sugar.
- Normal range (adults)
- Negative
- Sample
- Urine
- Fasting
- Not usually needed
- Also called
- KET, Ketone Bodies, Urine KET
Urine Ketones normal range
| Group | Normal result |
|---|---|
| Adults | Negative |
Ranges vary slightly between laboratories. The range printed on your own report is the one to go by.
Why is the Urine Ketones test done?
They are part of the routine urine test and are especially important for people with diabetes.
What does a positive Urine Ketones result mean?
Small amounts are common during fasting (including Ramadan), low-carb diets or vomiting. In people with diabetes, ketones with high blood sugar can signal diabetic ketoacidosis, an emergency.
Common causes
- Fasting or skipping meals
- Low-carbohydrate or keto diets
- Vomiting or prolonged illness
- Uncontrolled diabetes (especially type 1)
- Pregnancy with vomiting
What can help
- Eat regular meals with some carbohydrates
- Drink plenty of fluids
- If you have diabetes, check your blood sugar and follow your sick-day plan
When should you see a doctor?
People with diabetes who have ketones plus high sugar, vomiting, abdominal pain or fast breathing need emergency care.
Last updated
This page is for general education and is not a diagnosis. Normal ranges differ between laboratories, so always compare your result with the reference range printed on your own report, and discuss abnormal results with your doctor.