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Test Code SQ MDNS, EPIC LAB1054 Methadone and Metabolites, Serum

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

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.