T20.66 Corrosion of second degree of forehead and cheek
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The ICD-10-CM code for Corrosion of second degree of forehead and cheek is T20.66 (FY2026). It is a billable, claim-ready diagnosis code.
Classification
- Section
- T20-T25: Burns and corrosions of external body surface, specified by site (T20-T25)
- Category T20
- 105 codes (88 billable)
- FY2026 Status
- Stable since FY2024
Also Known As
ICD-10-CM Alphabetic Index entries that lead to T20.66:
- Corrosion (injury) (acid) (caustic) (chemical) (lime) (external) (internal) › forehead › second degree
- Corrosion (injury) (acid) (caustic) (chemical) (lime) (external) (internal) › cheek › second degree
Official Coding Guidelines
Current burns T20-T25 classified by depth, extent and agent (X code)Current burns (T20-T25) are classified by depth, extent and by agent (X code).
Sequence blood vessel/nerve injury first (fragment)injury is to the blood vessels or nerves, that injury should be sequenced first.
Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026
References
Cite This Page
Reference T20.66 with the canonical source and edition:
T20.66 — Corrosion of second degree of forehead and cheek. ICD-10 Coding Pro (ICD-10-CM FY2026). https://icd10codingpro.com/codes/T20.66
Canonical URL: https://icd10codingpro.com/codes/T20.66