Table 1. International Classification of Diseases, 10th Revision, Clinical Modification (ICD-10-CM) codes based on the CMS Chronic Condition Data Warehouse for OUD and overdose.

CMS, Centers for Medicare and Medicaid Services; OUD, opioid use disorder.

Disease
	ICD-10-CM diagnosis
OUD	F1110, F11120, F11121, F11122, F11129, F1114, F11150, F11151, F11159, F11181, F11182, F11188, F1119, F1120, F11220, F11221, F11222, F11229, F1123, F1124, F11250, F11251, F11259, F11281, F11282, F11288, F1129, F1190, F11920, F11921, F11922, F11929, F1193, F1194, F11950, F11951, F11959, F11981, F11982, F11988, F1199, T400X1A, T400X2A, T400X3A, T400X4A, T401X1A, T401X2A, T401X3A, T401X4A, T402X1A, T402X2A, T402X3A, T402X4A, T403X1A, T403X2A, T403X3A, T403X4A, T403X5A, T404X1A, T404X2A, T404X3A, T404X4A, T40411A, T40412A, T40413A, T40414A, T40415A, T40421A, T40422A, T40423A, T40424A, T40425A, T40491A, T40492A, T40493A, T40494A, T40495A, T40601A, T40602A, T40603A, T40604A, T40691A, T40692A, T40693A, T40694A
Drug overdose	T36, T37, T38, T39, T40, T41, T42, T43, T44, T45, T46, T47, T48, T49, T50