Indicator | ICD-9-CM codes | ICD-10-CM codes | ||
All-drug overdose | Diagnosis codes | 960–979: poisoning by drugs, medicinal and biological substances. | Diagnosis codes | T36-T50: poisoning by drugs, medicaments and biological substances (code must have an intent character of 1 (accidental/unintentional), 2 (intentional self-harm), 3 (assault) or 4 (undetermined) and a seventh character of A (initial encounter) or missing). |
External cause codes | E850-E858: accidental poisoning by drugs, medicinal and biological substances. E950.0-E950.5: suicide and self-inflicted poisoning by solid or liquid substances. E962.0: assault by drugs and medicinal substances E980.0-E980.5: poisoning by solid or liquid substances undetermined whether accidentally or purposely inflected. | |||
Opioid overdose | Diagnosis codes | 965.00: poisoning by opium. 965.01: poisoning by heroin. 965.02: poisoning by methadone. 965.09: poisoning by other opiates and related narcotics. | Diagnosis codes | T40.0X: poisoning by opium. T40.1X: poisoning by heroin. T40.2X: poisoning by other opioids. T40.3X: poisoning by methadone. T40.4X: poisoning by synthetic narcotics. T40.60: poisoning by unspecified narcotics. T40.69: poisoning by other narcotics. (code must have an intent character of 1 (accidental/unintentional), 2 (intentional self-harm), 3 (assault) or 4 (undetermined) and a seventh character of A (initial encounter) or missing). |
External cause codes | E850.0: accidental poisoning by heroin. E850.1: accidental poisoning by methadone. E850.2: accidental poisoning by other opiates and related narcotics. |
ICD-9-CM, International Classification of Diseases, 9th Revision, Clinical Modification; ICD-10-CM, International Classification of Diseases, 10th Revision, Clinical Modification.