T27.7
ICD-10Non-billable categoryCorrosion of respiratory tract, part unspecified
Official ICD-10-CM descriptor (FY2026)
Corrosion of respiratory tract, part unspecified
T27.7 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.
Code first
Sequence the underlying condition before this code.
- (T51-T65) to identify chemical and intent
Related codes in T27
- T27.0Burn of larynx and tracheacategory
- T27.1Burn involving larynx and trachea with lungcategory
- T27.2Burn of other parts of respiratory tractcategory
- T27.3Burn of respiratory tract, part unspecifiedcategory
- T27.4Corrosion of larynx and tracheacategory
- T27.5Corrosion involving larynx and trachea with lungcategory
- T27.6Corrosion of other parts of respiratory tractcategory
Where this code sits
- Parent code
- T27
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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.