Urine Ketone Body Screening (Qualitative, Automated Dipstick)
This test checks for the presence of ketone bodies in your urine, which can appear when your body breaks down fat for energy instead of carbohydrates. Ketones may indicate conditions like diabetes, fasting, or certain dietary plans.
["Ketones in urine can signal metabolic shifts that may need medical attention."]
Key facts at a glance
- LOINC
- 59158-6
- Short code
- Ketones Ur Strip.auto-sCnc
- Synonyms
- Ketones Ur Strip.auto-sCnc
- Category
- chemistry
- Sample
- urine
- Container
- Sterile urine container
- Units
- N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- Method
- test-strip-automated
- Specimen volume
- 10 mL
- Stability
- Room temperature: 2h, Refrigerated: 24h, Frozen: 7d
- Hemolysis max
- 0
- Lipemia max
- 0
- Icterus max
- 0
- TAT
- 4–24 hours
- Order
- routine
Why This Test Is Done
Your healthcare provider may order this test to monitor conditions that cause the body to produce excess ketones, such as uncontrolled diabetes, prolonged fasting, or certain metabolic disorders. It can also help assess dietary changes (e.g., ketogenic diets) or evaluate symptoms like nausea, vomiting, or unexplained weight loss.
What to Expect During the Test
You’ll collect a small urine sample using a clean container or, in some cases, use a dipstick inserted into your urine stream. The automated system then analyzes the sample for ketone presence. No special preparation is usually needed, but timing (e.g., fasting) may affect results.
How the Test Results Are Interpreted
Results are qualitative (positive/negative) rather than numeric. A positive result means ketones were detected; a negative result means they were not. Follow-up testing or additional bloodwork may be recommended if ketones are present.
Common Conditions Monitored
Ketone screening is often used in diabetes management to track metabolic control, especially in type 1 diabetes or during illness. It may also be part of evaluations for conditions like starvation, eating disorders, or ketogenic therapy.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
Ketones are normally present in small amounts in urine but become elevated when the body relies heavily on fat for fuel. High levels can indicate dangerous metabolic imbalances, such as diabetic ketoacidosis (a life-threatening complication of diabetes). Regular monitoring helps prevent complications and guides treatment adjustments.
Short name
Urine Ketones (Qualitative)
Frequently asked questions
What causes ketones to appear in urine?
Do I need to prepare for this test?
What do I do if my urine test shows ketones?
Sources
- 1
- 2Lab Tests OnlineSource
- 3
Click any link to access the full source. PubMed Central (PMC) links provide free full-text access.
This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.
If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.
Medically reviewed by WellAlly Editorial Team Last reviewed August 16, 2026. · Read our editorial policy