| T46.4X | Poisoning by, adverse effect of and underdosing of angiotensin-converting-enzyme inhibitors | NON-BILLABLE CODE |
| T46.4X1 | Poisoning by angiotensin-converting-enzyme inhibitors, accidental (unintentional) | NON-BILLABLE CODE |
| T46.4X1A | Poisoning by angiotensin-converting-enzyme inhibitors, accidental (unintentional), initial encounter | BILLABLE CODE |
| T46.4X1D | Poisoning by angiotensin-converting-enzyme inhibitors, accidental (unintentional), subsequent encounter | BILLABLE CODE |
| T46.4X1S | Poisoning by angiotensin-converting-enzyme inhibitors, accidental (unintentional), sequela | BILLABLE CODE |
| T46.4X2 | Poisoning by angiotensin-converting-enzyme inhibitors, intentional self-harm | NON-BILLABLE CODE |
| T46.4X2A | Poisoning by angiotensin-converting-enzyme inhibitors, intentional self-harm, initial encounter | BILLABLE CODE |
| T46.4X2D | Poisoning by angiotensin-converting-enzyme inhibitors, intentional self-harm, subsequent encounter | BILLABLE CODE |
| T46.4X2S | Poisoning by angiotensin-converting-enzyme inhibitors, intentional self-harm, sequela | BILLABLE CODE |
| T46.4X3 | Poisoning by angiotensin-converting-enzyme inhibitors, assault | NON-BILLABLE CODE |
| T46.4X3A | Poisoning by angiotensin-converting-enzyme inhibitors, assault, initial encounter | BILLABLE CODE |
| T46.4X3D | Poisoning by angiotensin-converting-enzyme inhibitors, assault, subsequent encounter | BILLABLE CODE |
| T46.4X3S | Poisoning by angiotensin-converting-enzyme inhibitors, assault, sequela | BILLABLE CODE |
| T46.4X4 | Poisoning by angiotensin-converting-enzyme inhibitors, undetermined | NON-BILLABLE CODE |
| T46.4X4A | Poisoning by angiotensin-converting-enzyme inhibitors, undetermined, initial encounter | BILLABLE CODE |
| T46.4X4D | Poisoning by angiotensin-converting-enzyme inhibitors, undetermined, subsequent encounter | BILLABLE CODE |
| T46.4X4S | Poisoning by angiotensin-converting-enzyme inhibitors, undetermined, sequela | BILLABLE CODE |
| T46.4X5 | Adverse effect of angiotensin-converting-enzyme inhibitors | NON-BILLABLE CODE |
| T46.4X5A | Adverse effect of angiotensin-converting-enzyme inhibitors, initial encounter | BILLABLE CODE |
| T46.4X5D | Adverse effect of angiotensin-converting-enzyme inhibitors, subsequent encounter | BILLABLE CODE |
| T46.4X5S | Adverse effect of angiotensin-converting-enzyme inhibitors, sequela | BILLABLE CODE |
| T46.4X6 | Underdosing of angiotensin-converting-enzyme inhibitors | NON-BILLABLE CODE |
| T46.4X6A | Underdosing of angiotensin-converting-enzyme inhibitors, initial encounter | BILLABLE CODE |
| T46.4X6D | Underdosing of angiotensin-converting-enzyme inhibitors, subsequent encounter | BILLABLE CODE |
| T46.4X6S | Underdosing of angiotensin-converting-enzyme inhibitors, sequela | BILLABLE CODE |
