T54
ICD-10Non-billable categoryToxic effect of corrosive substances
Official ICD-10-CM descriptor (FY2026)
Toxic effect of corrosive substances
T54 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.
7th character
- The appropriate 7th character is to be added to each code from category T54
Permitted 7th characters
| A | initial encounter |
| D | subsequent encounter |
| S | sequela |
More specific codes under T54
- T54.0Toxic effects of phenol and phenol homologuescategory
- T54.1Toxic effects of other corrosive organic compoundscategory
- T54.2Toxic effects of corrosive acids and acid-like substancescategory
- T54.3Toxic effects of corrosive alkalis and alk-like substancescategory
- T54.9Toxic effects of unspecified corrosive substancecategory
Where this code sits
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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.