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. 2020 Nov 6;37(23):2507–2516. doi: 10.1089/neu.2020.7038

Table 1.

ICD-9 Coding for Unintentional Poisoning (n = 78)

ICD-9 code Number of deaths Unintentional poisoning specific causes of death by ICD-9 codes
850.0 14 Opiates and related narcotics – Heroin
850.1 6 Opiates and related narcotics – Methadone
850.2 14 Opiates and related narcotics – Other (codeine, meperidine, morphine)
850.4 1 Aromatic analgesics
850.6 1 Unspecified analgesics and antipyretics
850.8 1 Other specified analgesics and antipyretics
852.8 1 Other specified sedatives and hypnotics
854.2 4 Psychostimulants
854.3 3 Central nervous system stimulants
855.2 2 Local anesthetics
858.2 1 Agents affecting blood constituents
858.6 1 Agents acting on muscles and respiratory system
858.8 2 Other specified drugs
858.9 19 Unspecified drugs
860.0 2 Alcohol
860.1 1 Other/unspecified ethyl alcohol and its products
860.9 3 Unspecified alcohol
869.1 1 Sulfur dioxide
869.8 1 Other specified gases and vapors

ICD, International Classification of Diseases.