| ICD-10 Code | Description |
| T40.2X1A | Poisoning by other opioids, accidental (unintentional), initial encounter |
| T40.2X1D | Poisoning by other opioids, accidental (unintentional), subsequent encounter |
| T40.2X1S | Poisoning by other opioids, accidental (unintentional), sequela |
| T40.2X2A | Poisoning by other opioids, intentional self-harm, initial encounter |
| T40.2X2D | Poisoning by other opioids, intentional self-harm, subsequent encounter |
| T40.2X2S | Poisoning by other opioids, intentional self-harm, sequela |
| T40.2X3A | Poisoning by other opioids, assault, initial encounter |
| T40.2X3D | Poisoning by other opioids, assault, subsequent encounter |
| T40.2X3S | Poisoning by other opioids, assault, sequela |
| T40.2X4A | Poisoning by other opioids, undetermined, initial encounter |
| T40.2X4D | Poisoning by other opioids, undetermined, subsequent encounter |
| T40.2X4S | Poisoning by other opioids, undetermined, sequela |
| T40.2X5A | Adverse effect of other opioids, initial encounter |
| T40.2X5D | Adverse effect of other opioids, subsequent encounter |
| T40.2X5S | Adverse effect of other opioids, sequela |
| T40.2X6A | Underdosing of other opioids, initial encounter |
| T40.2X6D | Underdosing of other opioids, subsequent encounter |
| T40.2X6S | Underdosing of other opioids, sequela |
