Skip Ribbon Commands
Skip to main content
Sign In
Navigate Up

25512 Methadone and Metabolite, S

Methadone and Metabolite, S
Test Code: MDNSSO
Synonyms/Keywords
​Methadone (Dolophine)
Test Components
​Methadone and Metabolite
Useful For
​Methadone drug testing
Specimen Requirements
Fasting Required Specimen Type Preferred Container/Tube Acceptable Container/Tube Specimen Volume Specimen Minimum Volume
(allows for 1 repeat)		 Pediatric Minimum Volume
(no repeat)
​No ​Serum ​Red Top Tube (RTT) ​ ​0.5 mL ​0.2 mL ​
Collection Processing Instructions
​Do not use SSt/PST (serum/plasma separator tube).
Specimen Stability Information
Specimen Type Temperature Time
​Serum ​ ​ ​Refrigerated (preferred) ​14 days
​Ambient ​14 days
​Frozen ​14 days
Rejection Criteria
Gross hemolysis
​Gross lipemia
​Gross icterus
Performing Laboratory Information
Performing Location Day(s) Test Performed Analytical Time Methodology/Instrumentation
​Mayo Rochester ​Monday through Friday ​4 days ​LC-MS/MS
Reference Lab
Mayo Clinic Laboratories
Reference Range Information
Performing Location Reference Range
​Not established ​
Outreach CPTs
CPT Modifier
(if needed)		 Quantity Description Comments
80358​ ​ ​1 ​Methadone ​
Synonyms/Keywords
​Methadone (Dolophine)
Test Components
​Methadone and Metabolite
Ordering Applications
Ordering Application Description
If the ordering application you are looking for is not listed, contact your local laboratory for assistance.
Specimen Requirements
Fasting Required Specimen Type Preferred Container/Tube Acceptable Container/Tube Specimen Volume Specimen Minimum Volume
(allows for 1 repeat)		 Pediatric Minimum Volume
(no repeat)
​No ​Serum ​Red Top Tube (RTT) ​ ​0.5 mL ​0.2 mL ​
Collection Processing
​Do not use SSt/PST (serum/plasma separator tube).
Specimen Stability Information
Specimen Type Temperature Time
​Serum ​ ​ ​Refrigerated (preferred) ​14 days
​Ambient ​14 days
​Frozen ​14 days
Rejection Criteria
Gross hemolysis
​Gross lipemia
​Gross icterus
Useful For
​Methadone drug testing
Test Components
​Methadone and Metabolite
Reference Range Information
Performing Location Reference Range
​Not established ​
For more information visit:
Performing Laboratory Information
Performing Location Day(s) Test Performed Analytical Time Methodology/Instrumentation
​Mayo Rochester ​Monday through Friday ​4 days ​LC-MS/MS
Reference Lab
Mayo Clinic Laboratories
For billing questions, see Contacts
Outreach CPTs
CPT Modifier
(if needed)		 Quantity Description Comments
80358​ ​ ​1 ​Methadone ​
For most current information refer to the Marshfield Laboratory online reference manual.