Home
HelpTest Code UAMPC Amphetamines Confirmation, Random, Urine
Reporting Name
Amphetamines Confirmation, UPerforming Laboratory
Mayo Clinic Laboratories in Rochester
Useful For
Confirming drug exposure involving amphetamines such as amphetamine and methamphetamine, phentermine, pseudoephedrine/ephedrine, methylenedioxyamphetamine (MDA), and methylenedioxymethamphetamine (MDMA).
Ordering Guidance
For situations where chain of custody is required, a Chain of Custody Kit (T282) is available. For chain-of-custody testing, order AMPHX / Amphetamines Confirmation, Chain of Custody, Random, Urine.
Additional drug panels and specific requests are available; call 800-533-1710.
Additional Testing Requirements
If urine creatinine is required or adulteration of the sample is suspected, the following test should also be ordered, ADULT / Adulterants Survey, Urine.
Specimen Required
Supplies: Sarstedt Aliquot Tube, 5 mL (T914)
Collection Container/Tube: Plastic urine container
Submission Container/Tube: Plastic, 5-mL tube
Specimen Volume: 1 mL
Collection Instructions:
1. Collect a random urine specimen.
2. No preservative
Additional Information:
1. No specimen substitutions.
2. STAT requests are not accepted for this test.
3. Submitting less than 1 mL will compromise our ability to perform all necessary testing.
Specimen Minimum Volume
0.5 mL
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Urine | Refrigerated (preferred) | 28 days | |
| Ambient | 28 days | ||
| Frozen | 28 days |
Specimen Type
UrineDay(s) Performed
Monday through Friday
Reference Values
Negative
Cutoff concentrations by liquid chromatography tandem mass spectrometry:
Amphetamine: <25 ng/mL
Methamphetamine: <25 ng/mL
Phentermine: <25 ng/mL
Methylenedioxyamphetamine: <25 ng/mL
Methylenedioxymethamphetamine: <25 ng/mL
Pseudoephedrine/ephedrine: <25 ng/mL reported as negative
Method Name
Liquid Chromatography Tandem Mass Spectrometry (LC-MS/MS)
Test Classification
This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. It has not been cleared or approved by the US Food and Drug Administration.CPT Code Information
80325
80359
G0480 (if appropriate)
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| AMPHU | Amphetamines Confirmation, U | 97161-4 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| 2934 | Amphetamine-by LC-MS/MS | 20410-7 |
| 29278 | Phentermine-by LC-MS/MS | 20557-5 |
| 2550 | Methamphetamine-by LC-MS/MS | 16235-4 |
| 29279 | Pseudoephedrine/Ephedrine-by LC-MS/MS | 58707-1 |
| 29280 | MDA (Ecstasy metabolite)-by LC-MS/MS | 20545-0 |
| 29281 | MDMA (Ecstasy)-by LC-MS/MS | 18358-2 |
| 21197 | Amphetamines Interpretation | 69050-3 |
Forms
If not ordering electronically, complete, print, and send a Therapeutics Test Request (T831) with the specimen.