T43.3X1S: Poisoning by phenothiazine antipsychotics and neuroleptics, accidental (unintentional), sequela
T43.3X1S is a billable, specific ICD-10-CM code for poisoning by phenothiazine antipsychotics and neuroleptics, accidental (unintentional), sequela. It is valid for submission on a claim.
Check T43.3X1S with the rest of the claim: free scrubber7th character "S": sequela
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 phenothiazine antipsychotics and neuroleptics NOS
Excludes2 inherited from the categories above T43.3X1S
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.
Medicare coverage
T43.3X1S is named in 1 Medicare coverage policy: 1 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.
- A56612Billing and Coding: CT of the Head
Code history
Unchanged in every release from FY2024 to FY2027.