T43.4
ICD-10Non-billable categoryButyrophenone and thiothixene neuroleptics
Official ICD-10-CM descriptor (FY2026)
Poisoning by, adverse effect of and underdosing of butyrophenone and thiothixene neuroleptics
T43.4 is a category heading, not a billable code. CMS does not accept it on a claim; report one of the more specific codes beneath it.
ICD-10-CM FY2026 defines 1 code beneath T43.4. See the ICD-10-CM index for what this site publishes.
Related codes in T43
- T43.0Tricyclic and tetracyclic antidepressantscategory
- T43.1Monoamine-oxidase-inhibitor antidepressantscategory
- T43.2And unsp antidepressantscategory
- T43.3Phenothiazine antipsychotics and neurolepticscategory
- T43.5And unsp antipsychotics and neurolepticscategory
- T43.6Psychostimulantscategory
- T43.8Psychotropic drugscategory
- T43.9Unsp psychotropic drugcategory
Where this code sits
- Parent code
- T43
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ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.