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Test Code MDNS Methadone and Metabolites, Serum

Additional Codes

MAYO Test ID

MDNS

EPIC Test ID

LAB1054

 

 

Useful For

Compliance monitoring of methadone

 

Assessment of toxicity

Method Name

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

Reporting Name

Methadone and Metabolite, S

Specimen Type

Serum Red


Specimen Required


Container/Tube: Red top

Specimen Volume: 0.5 mL


Specimen Minimum Volume

0.2 mL

Specimen Stability Information

Specimen Type Temperature Time
Serum Red Refrigerated (preferred) 14 days
  Ambient  14 days
  Frozen  14 days

Reject Due To

Hemolysis

Mild OK; Gross reject

Lipemia

Mild OK; Gross reject

Icterus

Mild OK; Gross reject

Other

Serum gel tube or plasma gel tube

Reference Values

Not established

Day(s) and Time(s) Performed

Monday through Friday

Analytic Time

2 days

Performing Laboratory

Mayo Medical Laboratories in Rochester

CPT Code Information

80358

G0480 (if appropriate)

LOINC Code Information

Test ID Test Order Name Order LOINC Value
MDNS Methadone and Metabolite, S In Process

 

Result ID Test Result Name Result LOINC Value
36309 Methadone 3772-1
36310 EDDP 60071-8

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.