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Test Code AMPHUM Amphetamines Confirmation, Urine

Important Note

This test is for confirmation testing only. For screening purposes please order a Rapid Drug Screen, Urine LAB676 first before this test.

Additional Codes

 

MAYO Test ID

AMPHU

EPIC Test ID

LAB2283

 

Reporting Name

Amphetamines Confirmation, U

Useful For

Confirming drug exposure involving amphetamines such as amphetamine and methamphetamine, phentermine, methylenedioxyamphetamine (MDA), methylenedioxymethamphetamine (MDMA), and methylenediaoxyethylamphetamine (MDEA)

Performing Laboratory

Mayo Medical Laboratories in Rochester

Specimen Type

Urine


Advisory Information


1. 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, Urine.

2. Additional drug panels and specific requests are available. Call Mayo Medical Laboratories at 800-533-1710 or 507-266-5700.

3. If urine creatinine is required or adulteration of the sample is suspected, the following test should be requested, ADULT / Adulterants Survey, Urine. For additional information, refer to ADULT / Adulterants Survey, Urine.



Specimen Required


Container/Tube: Plastic, 60-mL urine bottle

Specimen Volume: 20 mL

Collection Instructions:

1. Collect a random urine specimen.

2. No preservative.

Additional Information:

1. No specimen substitutions.

2. No STATS are accepted for this procedure.

3. Submitting <20 mL will compromise our ability to perform all necessary testing.


Specimen Minimum Volume

2.5 mL

Specimen Stability Information

Specimen Type Temperature Time
Urine Refrigerated (preferred) 28 days
  Ambient  28 days
  Frozen  28 days

Reference Values

Negative

 

Cutoff concentrations:

AMPHETAMINE BY LC-MS/MS

<25 ng/mL

 

METHAMPHETAMINE BY LC-MS/MS

<25 ng/mL

 

PHENTERMINE BY LC-MS/MS

<25 ng/mL

 

METHYLENEDIOXYAMPHETAMINE BY LC-MS/MS

<25 ng/mL

 

METHYLENEDIOXYMETHAMPHETAMINE BY LC-MS/MS

<25 ng/mL

 

PSEUDOEPHEDRINE/EPHEDRINE BY LC-MS/MS

<25 ng/mL reported as negative

Day(s) and Time(s) Performed

Monday through Friday

Test Classification

This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. This test has not been cleared or approved by the U.S. Food and Drug Administration.

CPT Code Information

80324

80359

G0480 (if appropriate)

LOINC Code Information

Test ID Test Order Name Order LOINC Value
AMPHU Amphetamines Confirmation, U In Process

 

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

Analytic Time

2 days

Reject Due To

Hemolysis

Mild OK; Gross OK

Lipemia

NA

Icterus

Mild OK; Gross OK

Other

NA


Method Name

Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS)