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. Author manuscript; available in PMC: 2022 Aug 1.
Published in final edited form as: Drug Alcohol Depend. 2021 May 21;225:108763. doi: 10.1016/j.drugalcdep.2021.108763

Table 1:

ICD9 Codes for Secondary Alcohol and Drug Related Diagnoses

Category ICD9 Codes
Alcohol 3050, 30500, 30501, 30502, 3030, 30300,
30301, 30302, 3039,
30390, 30391, 30392, 291, 2910, 2911, 2912, 2913, 2914, 2915,
2918, 29181, 29182, 29189, 2919
Opioid 304, 3040, 30400, 30401, 30402, 3055, 30550, 30551, 30552
Sedative Hypnotic 3041, 30410, 30411, 30412, 3054, 30540,
30541, 30542
Cocaine 3042, 30420, 30421, 30422, 3056, 30560,
30561, 30562
Cannabis 3043, 30430, 30431, 30432, 3052, 30520,
30521, 30522
Amphetamine 3044, 30440, 30441, 30442, 3057, 30570,
Stimulant 30571, 30572
Hallucinogen 3045, 30450, 30451, 30452, 3053, 30530,
30531, 30532
Drug Combination 3047, 30470, 30471, 30472, 3048, 30480,
30481, 30482
Antidepressant 3058, 30580, 30581, 30582
Other Unspecified 3049, 30490, 30491, 30492, 3059, 30590,
Drug 30591, 30592,
3046, 30460, 30461, 30462
Drug-Related Mental 292, 2920, 2921, 29211, 29212, 2922, 2928,
Disorder 29281,
29282, 29283, 29284, 29285, 29289, 2929