OD4 index
(redirected from OD4-methadone index)OD4 index
Overdose deaths per million daily dispensed doses index. An index of mortality occurring in heroin addicts who are maintained on methadone. Supervision of methadone consumption results in a 3–4-fold decrease in the OD4 index in the UK and Scotland.Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.