Test Detail

Methadone, Serum or Plasma

Test Code:

007781

Performing Lab: LABCORP BURLINGTON

CPT Code:

80299

Order Information
Results

Specimen Container	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 Type	Serum OR plasma
Volume	1 mL
Minimum Volume	0.3 mL
Temperature	Room Temperature
Specimen Handling	Transfer separated serum or plasma to a plastic transport tube.
Methodology	Liquid chromatography/tandem mass spectrometry (LC/MS-MS)
Stability	Room Temperature: 14 days, Refrigerated: 14 days, Frozen: 14 days
Unacceptable Conditions	Gel-barrier tube
Days Set-Up	W,F
Shift Performed	1
TAT From Set-Up	3 - 6 Days

Result Code	Result Name	LOINC
007786	Methadone (Dolophine), Serum	3772-1