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Amphetamine Urine Test

Published: August 9, 2026Updated: August 16, 2026

A urine test that detects the presence of amphetamine and methamphetamine in your system.

Quick summary

{"Detects amphetamine/methamphetamine use in urine","Typically shows use within 1-3 days","Used for workplace screening, monitoring treatment compliance, or detecting drug abuse"}

Medically reviewed by WellAlly Editorial TeamLast reviewed August 16, 2026Editorial policy

Key facts at a glance

LOINC
19346-6
Short code
Amphet Ur-mCnc
Synonyms
Amphet Ur-mCnc
Category
chemistry
Sample
urine
Container
Sterile urine container
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
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

This test checks a sample of your urine for amphetamine, a stimulant drug found in certain prescription medications such as those used for ADHD, as well as in illicit substances. Your doctor may order it for workplace screening, sports testing, or to monitor treatment and make sure medications are being taken safely.

The Amphetamine urine test is a screening test that detects the presence of amphetamine and methamphetamine in your urine. Amphetamines are stimulant medications commonly used to treat conditions like ADHD (attention deficit hyperactivity disorder) and narcolepsy, but they are also sometimes used recreationally or abused.

You will be asked to provide a urine sample in a sterile cup at a laboratory or collection site. A small amount, typically midstream, is enough. The sample is sealed, labeled, and sent to a laboratory, where an initial screening test is performed, and any positive result is confirmed with a more specific method.

A urine sample is collected in a sterile container. The sample is then analyzed in a laboratory using immunoassay techniques, which detect the presence of amphetamine compounds. If the initial screening test is positive, a more specific confirmatory test (GC-MS or LC-MS/MS) may be performed to verify the results.

In most people, amphetamine can be detected in urine for about 1 to 3 days after the last use. The window may be longer after heavy or long-term use, because detection time depends on the dose, your metabolism, hydration, and how well your kidneys are working.

Amphetamines can typically be detected in urine for 1-3 days after use, depending on factors such as dosage, frequency of use, individual metabolism, body mass, and kidney function. Chronic or heavy use may result in longer detection times.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

◆Associated findings2

Frequently asked questions

Will I need to fast before this test?
No fasting is required for a urine drug test. You should continue taking any prescribed medications as directed by your healthcare provider.
Can a positive result mean I took my ADHD medication?
Yes. If you are prescribed amphetamine-based ADHD medications (such as Adderall, Dexedrine, or Vyvanse), these will show positive on the test. Always inform the testing facility about any prescription medications you are taking.
How long does it take to get results?
Preliminary results may be available within hours, but confirmatory testing can take 1-3 days. The exact timeframe depends on the laboratory and whether confirmatory testing is needed.
Can passive exposure cause a positive result?
It is unlikely that passive exposure (being near someone using amphetamines) would cause a positive result. The test requires a significant amount of the drug to be present in your system.
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This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

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