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 methadone toxicity
Method Name
Liquid Chromatography Tandem Mass Spectrometry (LC-MS/MS)
Reporting Name
Methadone and Metabolite, SSpecimen Type
Serum RedSpecimen Required
Supplies: Sarstedt Aliquot Tube, 5 mL (T914)
Container/Tube: Red top (Serum gel/SST are not acceptable)
Submission Container/Tube: Plastic vial
Specimen Volume: 1.0 mL
Collection Instructions: Within 2 hours of collection, centrifuge and aliquot serum into a plastic vial.
Specimen Minimum Volume
0.5 mL
Specimen Stability Information
Specimen Type | Temperature | Time | Special Container |
---|---|---|---|
Serum Red | Refrigerated (preferred) | 28 days | |
Frozen | 28 days | ||
Ambient | 14 days |
Reject Due To
Gross hemolysis | OK |
Gross lipemia | OK |
Gross icterus | OK |
Reference Values
Not established
Day(s) Performed
Tuesday, Thursday
Report Available
3 to 5 daysPerforming Laboratory
Mayo Clinic Laboratories in RochesterCPT Code Information
80299
LOINC Code Information
Test ID | Test Order Name | Order LOINC Value |
---|---|---|
MDNS | Methadone and Metabolite, S | 96602-8 |
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. 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.