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Labcorp Oklahoma, Inc.
Test Directory


Index:

Methadone (Dolophine), Serum

Order Name MTD SP
Test Number: 5194544
Revision Date 12/12/2022
Test Name Methodology LOINC Code
Methadone (Dolophine), Serum
 
SPECIMEN REQUIREMENTS
Instructions Specimen Type: Red-top tube, lavender-top (EDTA) tube, OR green-top (heparin) tube. DO NOT USE A GEL-BARRIER TUBE. The use of gel-barrier tubes is not recommended due to slow absorption of the drug by the gel. Depending on the specimen volume and storage time, the decrease in drug level due to absorption may be clinically significant.
Specimen Storage: Room Temperature
Specimen Collection: Transfer separated serum or plasma to a plastic transport tube.
Special Instructions: For therapeutic monitoring ONLY.
Specimen Stability: Ambient: 14 days, Refrigerated : 14 days, Frozen: 14 days
GENERAL INFORMATION
Performing Labcorp Test Code 007781 
Notes Labcorp Test Code: 007781
CPT Code(s) 80299
Lab Section Reference Lab