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Amphetmethampheturscnmcnc

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

A urine test to detect the presence of amphetamine and methamphetamine, commonly used for drug screening purposes.

Quick summary

{"This test checks your urine for amphetamine and methamphetamine use","It is commonly used for workplace, legal, or clinical drug screening","Results are typically available within a few days","Positive results may require confirmation with a more specific test","Certain medications and foods can affect test results"}

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

Key facts at a glance

LOINC
33280-9
Short code
Amphet+Methamphet Ur Scn-mCnc
Synonyms
Amphet+Methamphet Ur Scn-mCnc
Category
chemistry
Sample
urine
Container
Sterile urine container
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
screen
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

What is this test?

The Amphetamine/Methamphetamine urine screen is a diagnostic test that detects the presence of amphetamine and methamphetamine in your urine. These are stimulant drugs that affect the central nervous system. This test uses a screening method to quickly identify whether these substances or their metabolites are present in your system.

How is the test performed?

A urine sample is collected in a sterile container. The sample is then analyzed using immunoassay or other screening techniques to detect the presence of amphetamine and methamphetamine metabolites. If the initial screen is positive, a confirmatory test (such as gas chromatography-mass spectrometry) may be performed to verify the results.

How should I prepare for this test?

Inform your healthcare provider about all medications, supplements, and over-the-counter drugs you are taking, as some substances may interfere with the test results. Avoid excessive fluid intake before the test, as it may dilute the sample. Follow any specific instructions provided by your healthcare provider or the testing facility.

What do the results mean?

A negative result means no amphetamine or methamphetamine was detected in your urine at the time of testing. A positive result indicates the presence of these substances, but it does not measure the level of impairment or the amount of drug used. Positive results should be confirmed with a more specific test to ensure accuracy.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

◆Associated findings1

Frequently asked questions

How long do amphetamines stay in urine?
Amphetamines can typically be detected in urine for 1-3 days after use, depending on factors such as dosage, frequency of use, individual metabolism, and body mass. Chronic or heavy use may result in longer detection windows.
Can certain medications cause a false positive result?
Yes, some medications can cause false positive results. These may include certain antidepressants (like bupropion), antihistamines, nasal decongestants, and some ADHD medications. Always inform the testing facility about all medications you are taking.
Do I need a confirmatory test after a positive screen?
Yes, a positive screening test should always be confirmed with a more specific test like gas chromatography-mass spectrometry (GC-MS) to ensure accurate results and rule out false positives.
Is this test painful?
No, this test only requires providing a urine sample, which is painless. Some people may feel uncomfortable providing a sample in a clinical setting, but there is no physical discomfort involved.
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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