T23.649 Corrosion of second degree of unspecified multiple fingers (nail), including thumb
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The ICD-10-CM code for Corrosion of second degree of unspecified multiple fingers (nail), including thumb is T23.649 (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 T23
- 297 codes (216 billable)
- FY2026 Status
- Stable since FY2024
Also Known As
ICD-10-CM Alphabetic Index entries that lead to T23.649:
- Corrosion (injury) (acid) (caustic) (chemical) (lime) (external) (internal) › thumb (s) › multiple sites with fingers › second degree
- Corrosion (injury) (acid) (caustic) (chemical) (lime) (external) (internal) › finger › multiple sites (without thumb) › with thumb › second degree
Official Coding Guidelines
Sequence blood vessel/nerve injury first (fragment)injury is to the blood vessels or nerves, that injury should be sequenced first.
Do not assign injury codes for iatrogenic injuries; code complication3) Iatrogenic injuries Injury codes from Chapter 19 should not be assigned for injuries that occur during, or as a result of, a medical intervention. Assign the appropriate complication code(s).
Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026
References
Cite This Page
Reference T23.649 with the canonical source and edition:
T23.649 — Corrosion of second degree of unspecified multiple fingers (nail), including thumb. ICD-10 Coding Pro (ICD-10-CM FY2026). https://icd10codingpro.com/codes/T23.649
Canonical URL: https://icd10codingpro.com/codes/T23.649