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Urine ketones (dipstick)

Urine tests · also printed as Ketones (urine), Urine ketones, Dipstick ketones, Urinalysis ketones, Ketones (urinalysis)

Typical UK adult rangeExpected result: Negative

Negative is the expected result. Trace and + are graded findings the lab prints as text.

What this test measures

A dipstick pad that detects ketones, chemicals made when the body burns fat for fuel.

Why doctors request it

Part of a routine urinalysis at the GP, in hospital, in pregnancy and in many private health checks.

What commonly pushes it up

Fasting or a very low-carbohydrate diet
Vomiting and dehydration
Poorly controlled type 1 diabetes
Heavy exercise
Pregnancy sickness

What commonly pushes it down

A negative result is the usual finding

Everyday reasons for a value outside the range

A ketogenic diet or overnight fast is the commonest reason

About the sample

A clean mid-stream sample, tested within an hour. Grades are printed as Negative, Trace, +, ++ or +++.

Written by a UK consultant physician. Typical UK adult reference ranges; your laboratory's own printed range takes precedence.

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This is an educational summary of results you uploaded. It is not medical advice, a diagnosis or a treatment plan, and it does not replace the doctor who requested the test. If you are worried, or a result is marked outside range, discuss it with your doctor. Written and reviewed by a UK consultant physician. Reference ranges vary between laboratories.