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Corrosion (injury) (acid) (caustic) (chemical) (lime) (external) (internal), buttock (s)

Corrosion (injury) (acid) (caustic) (chemical) (lime) (external) (internal), buttock (s)

T21.45
first degreeT21.55
second degreeT21.65
third degreeT21.75

Source: official CMS/NCHS ICD-10-CM Index to Diseases and Injuries. Informational only.

Data current as of FY2026 CMS/NCHS release. Not affiliated with or endorsed by CMS, HHS, or NCHS.

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