T43.4X1: Poisoning by butyrophenone and thiothixene neuroleptics, accidental (unintentional)
T43.4X1 is a non-billable header ICD-10-CM code for poisoning by butyrophenone and thiothixene neuroleptics, accidental (unintentional). 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 T43
- A
- initial encounter
- D
- subsequent encounter
- S
- sequela
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Poisoning by butyrophenone and thiothixene neuroleptics NOS
Excludes2 inherited from the categories above T43.4X1
Not part of this code, but both may be coded when both are present.
Written on T43: Poisoning by, adverse effect of and underdosing of psychotropic drugs, not elsewhere classified
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 T43.4X1
3 child codes. Green means billable.
- T43.4X1APoisoning by butyrophenone and thiothixene neuroleptics, accidental (unintentional), initial encounter
- T43.4X1DPoisoning by butyrophenone and thiothixene neuroleptics, accidental (unintentional), subsequent encounter
- T43.4X1SPoisoning by butyrophenone and thiothixene neuroleptics, accidental (unintentional), sequela
Other codes under T43.4X
- T43.4X2Poisoning by butyrophenone and thiothixene neuroleptics, intentional self-harm
- T43.4X3Poisoning by butyrophenone and thiothixene neuroleptics, assault
- T43.4X4Poisoning by butyrophenone and thiothixene neuroleptics, undetermined
- T43.4X5Adverse effect of butyrophenone and thiothixene neuroleptics
- T43.4X6Underdosing of butyrophenone and thiothixene neuroleptics