|Name: ||Methadone & Metabolite Level, Blood, Quantitative|
|Specimen: ||4 mL serum or plasma from a red or green top. Do not use gel barrier tubes EDTA plasma is also acceptable.|
Since no gel is used the sample must be centrifuged and the serum/plasma removed as soon as possible.
All separator tubes are unacceptable.
|Minimum Spec: ||2 mL|
|Transport Temp: ||Refrigerated|
|Spec Stability: ||Stable up to 2 weeks refrigerated.|
|Ref Lab/Code: ||ARUP 0090699|
| Method: ||LC/MS/MS|
|Note: ||Positive cutoff: 10 ng/mL|