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T20.41

Non-billable

Corrosion of unspecified degree of ear [any part, except ear drum]

T20.41 is the ICD-10-CM code for Corrosion of unspecified degree of ear [any part, except ear drum]. It is a non-billable category code — use a more specific child code such as T20.411 for billing.

Status
Header (non-billable)
Chapter
S00-T88
Parent
T20.4
Subcodes
3
Edition
FY2026

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

Excludes2 — not included here

  • •corrosion of ear drum (T28.91-)

Frequently asked questions

What is ICD-10 code T20.41?
T20.41 is the ICD-10-CM code for "Corrosion of unspecified degree of ear [any part, except ear drum]". It falls under S00-T88 Injury, poisoning and certain other consequences of external causes.
Is T20.41 a billable code?
No — T20.41 is a non-billable header code. Use a more specific child code (such as T20.411) for billing.
What are the subcodes of T20.41?
T20.41 has 3 more specific child codes, including T20.411, T20.412, T20.419.

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

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