Information about a laboratory test

Ketones in Urine: What Does This Test Mean?

The Ketones in Urine test assesses the presence or amount of ketone bodies in urine.

Test summary

Test name
Ketones in Urine
Abbreviations
Urine Ketones, Ketone Bodies
Category
Urinalysis / Metabolism
Panel
Urinalysis
Specimen
Urine
Common units
negative, trace, small, moderate, large

What does the test measure?

The Ketones in Urine test assesses the presence or amount of ketone bodies in urine.

Why is the test ordered?

It is used to assess ketone production when the body is using more fat for energy.

Information about a low result

A negative urine ketone result is generally expected.

Information about a high result

Positive ketones may occur with fasting, low-carbohydrate intake, vomiting or diabetes; high levels with diabetes symptoms may require urgent assessment.

Reference and clinical context

Start with the performing laboratory's reference interval, method, collection conditions and reporting unit. Urinalysis findings do not establish a diagnosis on their own.

Reference range 1

Population
General urine sample
Specimen
Urine
Method
Dipstick

Sourced reference context for Ketones in Urine

This is sourced example reference/clinical-context information; the user's own laboratory report and specimen conditions take priority.

Reference ranges may vary by laboratory, method used, age, sex, pregnancy status, and clinical context. The reference range on your own laboratory report takes precedence.

Interpretation notes

Start with the performing laboratory's reference interval, method, collection conditions and reporting unit. Urinalysis findings do not establish a diagnosis on their own. Interpretation may be more informative when related urine parameters are considered together.

Related specialties

  • Internal Medicine
  • Endocrinology
  • Nephrology
  • Family Medicine

Frequently asked questions

More information about this test

Sources

  1. Urinalysis — U.S. National Library of Medicine (MedlinePlus)

    Government medical reference · 2025 · Urinalysis components, routine use and qualitative normal findings · Verified: Aug 12, 2026

  2. Glucose in Urine Test — U.S. National Library of Medicine (MedlinePlus)

    Government medical reference · 2025 · Urine glucose, glycosuria and pregnancy context · Verified: Aug 12, 2026

  3. Ketones in Urine — U.S. National Library of Medicine (MedlinePlus)

    Government medical reference · 2025 · Urine ketones, qualitative reporting and diabetes context · Verified: Aug 12, 2026