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. 2019 Nov 27;16:E157. doi: 10.5888/pcd16.190169
Hospitalization Type ICD-9-CM Code
Opioid dependence and unspecified use 304.00, 304.01, 304.07, 304.71
Adverse effects of opioids E935.1, E935.2, E940.1
Opioid abuse 305.50, 305.51, 305.52
Opioid poisoning 965.00, 965.01, 965.02, 965.09, 970.1, E850.0, E850.1, E850.2