T46.4X
T46.4X: Poisoning by, adverse effect of and underdosing of angiotensin-converting-enzyme inhibitors
Non-billable headerICD-10-CM
T46.4X is a non-billable header ICD-10-CM code for poisoning by, adverse effect of and underdosing of angiotensin-converting-enzyme inhibitors. It cannot be billed on its own: choose one of the more specific child codes below. This code also requires a 7th character before it is complete.
This code requires a 7th character
The appropriate 7th character is to be added to each code from category T46
- A
- initial encounter
- D
- subsequent encounter
- S
- sequela
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Code history
Unchanged in every release from FY2024 to FY2027.
Code to one of these instead T46.4X
6 child codes. Green means billable.
- T46.4X1Poisoning by angiotensin-converting-enzyme inhibitors, accidental (unintentional)
- T46.4X2Poisoning by angiotensin-converting-enzyme inhibitors, intentional self-harm
- T46.4X3Poisoning by angiotensin-converting-enzyme inhibitors, assault
- T46.4X4Poisoning by angiotensin-converting-enzyme inhibitors, undetermined
- T46.4X5Adverse effect of angiotensin-converting-enzyme inhibitors
- T46.4X6Underdosing of angiotensin-converting-enzyme inhibitors