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Test ID NBLD0560 Methadone Confirmation, Random, Urine

Useful For

Monitoring for compliance of methadone treatment for analgesia or drug rehabilitation

 

Assessing compliance with rehabilitation programs by urine measurement of 2-ethylidene-1,5-dimethyl-3,3-diphenylpyrrolidine

Specimen Type

Urine


Ordering Guidance


1. For situations where chain of custody is required, a Chain-of-Custody Kit (T282) is available. For chain-of-custody testing, order MTDNX / Methadone Confirmation, Chain of Custody, Random, Urine.

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

3. If urine creatinine is required or adulteration of the sample is suspected, order ADULT / Adulterants Survey, Random, Urine.



Specimen Required


Supplies: Urine Tubes, 10 mL (T068)

Container/Tube: Plastic, 10-mL urine tube

Specimen Volume: 10 mL

Collection Instructions:

1. Collect a random urine specimen.

2. No preservative.


Reject Due To

Gross hemolysis OK
Gross icterus OK

Specimen Minimum Volume

2.5 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Urine Refrigerated (preferred) 28 days
  Frozen  28 days
  Ambient  14 days

Day(s) Performed

Tuesday, Thursday

Report Available

3 to 7 days

Method Name

Gas Chromatography Mass Spectrometry (GC-MS) Confirmation with Quantitation

Performing Laboratory

Mayo Clinic Laboratories in Rochester

CPT Code Information

80358

G0480 (if appropriate)

Reporting Name

Methadone Confirmation, U

Reference Values

Negative

 

Cutoff concentrations:

METHADONE BY GC-MS

<100 ng/mL

2-ETHYLIDENE-1,5-DIMETHYL-3,3-DIPHENYLPYRROLIDINE GC-MS

<100 ng/mL

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.

Forms

If not ordering electronically, complete, print, and send a Therapeutics Test Request (T831) with the specimen.

 

Secondary ID

83129
Sanford Laboratories - Sioux Falls/Rapid City Additional Information:

SANFORD LABORATORY INTERFACE BUILD INFORMATION

Result Code  Result Code Description 
19874 EDDP-By GC/MS
19875 Methadone-By GC/MS
19876 Methadone Interpretation 
19877 Chain of Custody