T23.03 Burn of unspecified degree of multiple fingers (nail), not including thumb

The ICD-10-CM code for Burn of unspecified degree of multiple fingers (nail), not including thumb is T23.03 (FY2026). It is a non-billable category code — select a more specific code below for claims.

Classification

Chapter

19: Injury, poisoning and certain other consequences of external causes (S00-T88)

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

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 complication

3) 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

• CMS — ICD-10-CM Official Code Set and Guidelines, FY2026
• CDC/NCHS — ICD-10-CM Files and Browser Tool

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Reference T23.03 with the canonical source and edition:

T23.03 — Burn of unspecified degree of multiple fingers (nail), not including thumb. ICD-10 Coding Pro (ICD-10-CM FY2026). https://icd10codingpro.com/codes/T23.03

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