Ordering Recommendation

Differentiate non-scheduled and DEA-scheduled amphetamine and methamphetamine isomers.

Mnemonic

AMP DLDIFF

Methodology

Quantitative High Performance Liquid Chromatography/Tandem Mass Spectrometry

Performed

Varies

Reported

8-11 days

New York DOH Approval Status

This test is New York DOH approved.

Specimen Required

Patient Preparation
Collect

Urine.

Specimen Preparation

Transfer 2 mL urine to an ARUP Standard Transport Tube. (Min: 0.7 mL)
Test is not performed at ARUP; separate specimens must be submitted when multiple tests are ordered.

Storage/Transport Temperature

Refrigerated. Also acceptable: Room temperature or frozen.

Unacceptable Conditions
Remarks
Stability

Ambient: 1 month; Refrigerated: 5 months; Frozen: 1 month

Reference Interval

By report

Interpretive Data



Compliance Category

Performed by non-ARUP Laboratory

Note

Hotline History

N/A

CPT Codes

80324 (Alt code: G0480)

Components

Component Test Code* Component Chart Name LOINC
2014044 D-Amphetamine
2014045 L-Amphetamine
2014046 D-Amphetamine Percent
2014047 L-Amphetamine Percent
2014048 D-Methamphetamine
2014049 L-Methamphetamine
2014050 D-Methamphetamine Percent
2014051 L-Methamphetamine Percent
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.

Aliases

  • Adderall
  • Desoxyn{R}
  • Isomeric Separation
  • Vyvanse{R}
Amphetamines (D/L Differentiation), Urine

National Medical Services (NMS)