T43.4 — Poisoning by, adverse effect of and underdosing of butyrophenone and thiothixene neuroleptics
Is T43.4 billable?
No — T43.4 is a non-billable header code. T43.4 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 18 billable codes beneath T43.4.
Billable codes under this header
- 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
- T43.4X2APoisoning by butyrophenone and thiothixene neuroleptics, intentional self-harm, initial encounter
- T43.4X2DPoisoning by butyrophenone and thiothixene neuroleptics, intentional self-harm, subsequent encounter
- T43.4X2SPoisoning by butyrophenone and thiothixene neuroleptics, intentional self-harm, sequela
- T43.4X3APoisoning by butyrophenone and thiothixene neuroleptics, assault, initial encounter
- T43.4X3DPoisoning by butyrophenone and thiothixene neuroleptics, assault, subsequent encounter
- T43.4X3SPoisoning by butyrophenone and thiothixene neuroleptics, assault, sequela
- T43.4X4APoisoning by butyrophenone and thiothixene neuroleptics, undetermined, initial encounter
- T43.4X4DPoisoning by butyrophenone and thiothixene neuroleptics, undetermined, subsequent encounter
- T43.4X4SPoisoning by butyrophenone and thiothixene neuroleptics, undetermined, sequela
- T43.4X5AAdverse effect of butyrophenone and thiothixene neuroleptics, initial encounter
- T43.4X5DAdverse effect of butyrophenone and thiothixene neuroleptics, subsequent encounter
- T43.4X5SAdverse effect of butyrophenone and thiothixene neuroleptics, sequela
- T43.4X6AUnderdosing of butyrophenone and thiothixene neuroleptics, initial encounter
- T43.4X6DUnderdosing of butyrophenone and thiothixene neuroleptics, subsequent encounter
- T43.4X6SUnderdosing of butyrophenone and thiothixene neuroleptics, sequela
T43.4 at a glance
| Code | T43.4 |
|---|---|
| Description | Poisoning by, adverse effect of and underdosing of butyrophenone and thiothixene neuroleptics |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Excludes1 — never code together — inherited from T36-T50
The conditions below can never be reported together with T43.4 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
- toxic reaction to local anesthesia in pregnancy (O29.3-)
Code first — inherited from T36-T50
The underlying condition below must be sequenced before T43.4. T43.4 describes a manifestation and cannot be the principal or first-listed diagnosis.
Use additional code — inherited from Chapter 19
Report an additional code alongside T43.4 to fully describe the condition. T43.4 is sequenced first.
- code to identify any retained foreign body, if applicable (Z18.-)
Use additional code — inherited from T36-T50
Report an additional code alongside T43.4 to fully describe the condition. T43.4 is sequenced first.
Excludes2 — not included here — inherited from Chapter 19
The conditions below are not part of T43.4, but a patient may have both at the same time. When documentation supports it, T43.4 and the excluded code may both be reported.
Excludes2 — not included here — inherited from T36-T50
The conditions below are not part of T43.4, but a patient may have both at the same time. When documentation supports it, T43.4 and the excluded code may both be reported.
Excludes2 — not included here — inherited from T43
The conditions below are not part of T43.4, but a patient may have both at the same time. When documentation supports it, T43.4 and the excluded code may both be reported.
What codes fall under T43.4? (1)
How long has T43.4 existed?
T43.4 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.
What other codes are in the T43 family? (8)
- T43.0Poisoning by, adverse effect of and underdosing of tricyclic and tetracyclic antidepressantsnot billable
- T43.1Poisoning by, adverse effect of and underdosing of monoamine-oxidase-inhibitor antidepressantsnot billable
- T43.2Poisoning by, adverse effect of and underdosing of other and unspecified antidepressantsnot billable
- T43.3Poisoning by, adverse effect of and underdosing of phenothiazine antipsychotics and neurolepticsnot billable
- T43.5Poisoning by, adverse effect of and underdosing of other and unspecified antipsychotics and neurolepticsnot billable
- T43.6Poisoning by, adverse effect of and underdosing of psychostimulantsnot billable
- T43.8Poisoning by, adverse effect of and underdosing of other psychotropic drugsnot billable
- T43.9Poisoning by, adverse effect of and underdosing of unspecified psychotropic drugnot billable