Is T43.591 a billable code?
No. T43.591 is a header code that groups 3 more specific codes. Use one of the billable codes listed on this page instead.
ICD-10-CM FY2027 diagnosis code
T43.591: Poisoning by other antipsychotics and neuroleptics, accidental (unintentional)
Header code: not billableValid for dates of service October 1, 2026 to September 30, 2027
T43.591 groups related diagnoses under poisoning by other antipsychotics and neuroleptics, accidental (unintentional). It cannot be used on a claim by itself. Choose the billable code below that matches the patient's record.
Billable codes under T43.591
- T43.591APoisoning by other antipsychotics and neuroleptics, accidental (unintentional), initial encounter
- T43.591DPoisoning by other antipsychotics and neuroleptics, accidental (unintentional), subsequent encounter
- T43.591SPoisoning by other antipsychotics and neuroleptics, accidental (unintentional), sequela
Other codes in T43.59 Poisoning by, adverse effect of and underdosing of other antipsychotics and neuroleptics
- T43.592Poisoning by other antipsychotics and neuroleptics, intentional self-harmheader
- T43.593Poisoning by other antipsychotics and neuroleptics, assaultheader
- T43.594Poisoning by other antipsychotics and neuroleptics, undeterminedheader
- T43.595Adverse effect of other antipsychotics and neurolepticsheader
- T43.596Underdosing of other antipsychotics and neurolepticsheader
T43.591 questions
What does T43.591 mean?
T43.591 is the ICD-10-CM code for Poisoning by other antipsychotics and neuroleptics, accidental (unintentional). It is in chapter 19, Injury, poisoning and certain other consequences of external causes (S00-T88).
Code titles come from the official ICD-10-CM files published by the CDC National Center for Health Statistics. Always check payer rules and the clinical record before billing.