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T25.5

Non-billable

Corrosion of first degree of ankle and foot

T25.5 is the ICD-10-CM code for Corrosion of first degree of ankle and foot. It is a non-billable category code — use a more specific child code such as T25.51 for billing.

Status
Header (non-billable)
Chapter
S00-T88
Parent
T25
Subcodes
4
Edition
FY2026

S00-T88 Injury, poisoning and certain other consequences of external causes

Code first

  • •(T51-T65) to identify chemical and intent

Use additional code

  • •external cause code to identify place (Y92)

Frequently asked questions

What is ICD-10 code T25.5?
T25.5 is the ICD-10-CM code for "Corrosion of first degree of ankle and foot". It falls under S00-T88 Injury, poisoning and certain other consequences of external causes.
Is T25.5 a billable code?
No — T25.5 is a non-billable header code. Use a more specific child code (such as T25.51) for billing.
What are the subcodes of T25.5?
T25.5 has 4 more specific child codes, including T25.51, T25.52, T25.53.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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