| CLASS | DRUG/TOX | LP7790-1 | 
| COMPONENT | Methadone.long acting metabolite | LP19141-8 | 
| PROPERTY | MCnc | LP6827-2 | 
| TIME_ASPCT | Pt | LP6960-1 | 
| SYSTEM | Ser/Plas | LP7576-4 | 
| SCALE_TYP | Qn | LP7753-9 | 
| parent | Methadone.long acting metabolite | Serum or Plasma | Drug toxicology | LP389994-7 | 
| CLASSTYPE | Laboratory class | |
| ORDER_OBS | Both | |
| EXAMPLE_UNITS | ng/mL | |
| EXAMPLE_UCUM_UNITS | ng/mL | |
| UNITSREQUIRED | Y | |
| STATUS | ACTIVE | 
| LONG_COMMON_NAME | en-US | Methadone.long acting metabolite [Mass/volume] in Serum or Plasma | 
| LONG_COMMON_NAME | en-US | Methadone.long acting metabolite [Mass/volume] in Serum or Plasma | 
| SHORTNAME | en-US | LA Methadone Metab SerPl-mCnc | 
| ConsumerName | en-US | Methadone.long acting metabolite, Blood | 
| SHORTNAME | es-AR | metadona.metabolito de acción prolongada:concentración de masa:punto en el tiempo:suero/plasma:cuantitativo: | 
| SHORTNAME | pt-BR | LA Methadone MetAc SerPl-mCnc | 
| LONG_COMMON_NAME | nl-NL | Methadon.lang werkend metaboliet [massa/volume] in serum of plasma | 
| LONG_COMMON_NAME | es-MX | Metadona metabolito de acción prolongada: Suero o Plasma : Punto temporal: Concentración de masa: Cuantitativo: | 
LOINC Version: 2.78