Ampheturcfmmcnc
A confirmatory urine test that uses advanced laboratory methods to accurately detect and measure amphetamine drugs in your urine.
{"This test confirms whether amphetamine-type drugs are present in your urine with high accuracy","It uses sophisticated methods (mass spectrometry) that are more reliable than basic screening tests","The test is commonly used to verify positive drug screens, monitor certain medications, or check for drug use","Results are typically available within a few days due to the specialized testing process"}
Key facts at a glance
- LOINC
- 16234-7
- Short code
- Amphet Ur Cfm-mCnc
- Synonyms
- Amphet Ur Cfm-mCnc
- Category
- chemistry
- Sample
- urine
- Container
- Sterile urine container
- Units
- N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- Method
- confirm
- 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 Confirmatory Test is a specialized laboratory test that detects and measures amphetamine-type drugs in your urine. Unlike basic screening tests, this confirmatory method uses advanced technology called mass spectrometry, which provides highly accurate and specific results. This test can identify not just whether drugs are present, but also the exact amount (mass/volume) in your urine sample.
How does it work?
After you provide a urine sample, laboratory technicians use specialized equipment to separate and identify the chemical compounds present. The confirmatory method (typically Gas Chromatography-Mass Spectrometry or Liquid Chromatography-Tandem Mass Spectrometry) can distinguish amphetamine from other similar substances with very high precision. This makes it much more reliable than initial screening tests that can sometimes give false results.
Why might I need this test?
Healthcare providers may order this test for several reasons: (1) To confirm a positive result from a basic drug screening test, (2) To monitor patients taking prescription amphetamine medications (such as those for ADHD or narcolepsy), (3) As part of a comprehensive drug testing program, (4) To verify results in legal or workplace testing scenarios, or (5) To help diagnose certain medical conditions related to drug use.
How should I prepare?
Generally, no special preparation is needed for this test. You should inform your healthcare provider about all medications, supplements, or over-the-counter drugs you are taking, as some substances may affect the test results. Your healthcare provider will give you specific instructions if needed. The test requires a simple urine sample collected in a sterile container.
Understanding your results
Your test results will typically indicate whether amphetamines were detected in your urine and the concentration level. A 'negative' result means no amphetamines were detected above the test's detection threshold. A 'positive' result indicates that amphetamines were found in your urine. Your healthcare provider will explain what your specific results mean in the context of your personal health situation and any medications you may be taking.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
◆Associated findings2
Frequently asked questions
How long does it take to get results?
Can a positive result mean I took a prescription medication?
Will eating certain foods affect my results?
Is this test private?
What is the difference between screening and confirmatory testing?
Sources
- 1
- 2
- 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