| White | F | 32 | 01/14/2023 | a) Combined Cocaine, Methadone, Fentanyl, and Toxicity | WCSP (Lockport Twsp) | Accident |
| White | M | 43 | 02/04/2023 | a) Fentanyl, Acetyl Fentanyl, and Cocaine Intoxication | Lockport | Accident |
| W | M | 30 | 02/01/2023 | a) Multisystem Organ Failure, b) Polysubstance. Part2: Dilated Cardiomyopathy | Crest Hill | Accident |
| Black | M | 48 | 02/06/2023 | a) Cocaine, Fentanyl, and Xylazine Intoxication | Bolingbrook | Accident |
| White | F | 15 | 02/12/2023 | a) Fentanyl Intoxication | Joliet | Undetermined |
| W | M | 33 | 02/13/2023 | a) Fentanyl and Cocaine Intoxication | WCSP | Accident |
| White | F | 61 | 02/16/2023 | a) Fentanyl, Cocaine, and Alcohol Intoxication | Joliet | Accident |
| White | F | 54 | 01/30/2023 | a) Fentanyl, Ketamine, and Hydroxazine Intoxication | WCSP (Joliet Twsp) | Accident |
| Black | M | 52 | 02/15/2023 | a) Fentanyl and Methamphetamine Intoxication | Joliet | Accident |
| White | F | 38 | 02/21/2023 | a) Fentanyl Intoxication. Part 2: Coronary Atherosclerosis and Fatty Liver | Elwood | Accident |
| White | M | 40 | 02/23/2023 | a) Fentanyl and Cocaine Intoxication. Part 2: History of Depression | Bolingbrook | Accident |
| White | M | 32 | 02/24/2023 | a) Fentanyl and Acetyl Fentanyl Intoxication | Bolingbrook | Accident |
| Black | M | 33 | 02/26/2023 | a) Fentanyl and Cocaine Intoxication | Braidwood | Accident |
| White | M | 48 | 03/09/2023 | a) Fentanyl Intoxication | WCSP (Homer Glen) | Accident |
| White | F | 55 | 03/06/2023 | a) Fentanyl and Cocaine Intoxication | Joliet | Suicide |
| Black | F | 36 | 03/15/2023 | a) Fentanyl, Acetyl Fentanyl, Cocaine, Heroin, and Alcohol Intoxication | WCSP (Monee Twsp) | Accident |
| White | M | 33 | 03/16/2023 | a) Fentanyl Intoxication | WCSP (Joliet Twsp) | Accident |
| White | F | 71 | 03/23/2023 | a) Fentanyl Intoxication. Part 2: Coronary Atherosclerosis and Chronic Obstructive Pulmonary Disease | N/A | Accident |
| White | M | 56 | 03/17/2023 | a) Fentanyl and Cocaine intoxication, Part 2: HCVD | Joliet | Accident |
| White | F | 27 | 04/02/2023 | a) Fentanyl and Acetyl Fentanyl Intoxication | Joliet | Accident |
| White | F | 37 | 03/27/2023 | a) Carbon Monoxide Toxicity, Part2: Combined Fentanyl and Methadone Toxicity | Lockport | Accident |
| Black | M | 23 | 03/16/2023 | a) Fentanyl and Metonitazene Intoxication | WCSP (Homer Glen) | Accident |
| White | F | 47 | 04/03/2023 | a) Fentanyl and Cocaine Intoxication | Joliet | Accident |
| White | F | 40 | 04/19/2023 | a) Fentanyl and Cocaine Intoxication, Part 2: Possible Necrotizing Fasciitis | N/A | Accident |
| White | F | 28 | 04/19/2023 | a) Fentanyl Intoxication, Part 2: Anxiety | Frankfort | Accident |
| White | M | 26 | 04/14/2023 | a) Combined Ethanol, Fentanyl, Alprazolam, Trazodone, and Mitragynine Toxicity | Peotone | Accident |
| White | F | 37 | 04/25/2023 | a) Fentanyl, Alcohol, and Xylazine Intoxication | Bolingbrook | Accident |
| White | M | 47 | 04/30/2023 | a) Fentanyl, Cocaine, Xylazine, and Heroin Intoxication | Crest Hill | Accident |
| White | M | 44 | 05/02/2023 | a) Fentanyl, Para-fluorofentanyl, heroin, and phencyclidine Intoxication | Bolingbrook | Accident |
| H | M | 50 | 04/23/2023 | a) Fentanyl and Cocaine Intoxication, Part 2: Coronary Atherosclerosis | Joliet | Accident |
| White | M | 47 | 05/03/2023 | a) Fentanyl, Cocaine, Para-Fluorofentanyl, and Xylazine Intoxication | Bolingbrook | Accident |
| White | F | 35 | 05/04/2023 | a) Fentanyl Intoxication | Bolingbrook | Accident |
| White | M | 67 | 05/10/2023 | a) Fentanyl, Cocaine, and Tramadol Intoxication, Part 2: Lobar Pneumonia and HCVD | Joliet | Accident |
| Black | M | 54 | 05/17/2023 | a) Fentanyl, Cocaine, Heroin, and Alcohol Intoxication | Joliet | Accident |
| White | M | 41 | 05/26/2023 | a) Fentanyl, Para-fluorofentanyl, and heroin intoxication. Part 2: Coronary Atherosclerois and Hypertensive Cardiovascular Disease | WCSP (New Lenox Twsp) | Accident |
| H | M | 23 | 05/19/2023 | a) Fentanyl and Cocaine Intoxication | Joliet | Accident |
| H | M | 41 | 05/19/2023 | a) Fentanyl Intoxication | WCSP (Lockport Twsp) | Accident |
| White | F | 45 | 05/23/2023 | a) PARA-FLUOROFENTANYL, XYLAZINE, AND HEROIN INTOXICATION | Lockport | Accident |
| White | F | 57 | 05/26/2023 | a) Fentanyl Intoxication, Part 2: Coronary Atherosclerosis | WCSP (Monee Twsp) | Accident |
| White | M | 41 | 05/27/2023 | a) Fentanyl and Cocaine Intoxication | Beecher | Accident |
| White | M | 36 | 06/17/2023 | a) Polysubstance Intoxication | N/A | Accident |
| White | M | 37 | 06/08/2023 | a) Fentanyl, Acetyl Fentanyl, and Heroin Intoxication | WCSP (Lockport Twsp) | Accident |
| White | M | 52 | 06/14/2023 | a) Fentanyl and Cocaine Intoxication | WCSP (Homer Twsp) | Accident |
| Black | F | 46 | 06/14/2023 | a) Cocaine, Fentanyl, Heroin, Para-Fluorofentanyl, and Xylazine Intoxication | WCSP (Joliet Twsp) | Accident |
| White | M | 53 | 05/31/2023 | a) Fentanyl and Cocaine Intoxication | Lockport | Accident |
| White | F | 44 | 06/23/2023 | a) Fentanyl, Heroin, Methadone, and Xylazine Intoxication | Monee | Accident |
| White | M | 19 | 06/06/2023 | a) Fentanyl Intoxication | Joliet | Accident |
| White | M | 30 | 06/08/2023 | a) Heroin Intoxication | Lockport | Accident |
| White | m | 33 | 06/11/2023 | a) Fentanyl, Cocaine, and Mitragynine Intoxication | WCSP (New Lenox Twsp) | Accident |
| Black | F | 47 | 06/04/2023 | a) Fentanyl and Cocaine Intoxication | Joliet | Accident |