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T22.44

Non-billable

Corrosion of unspecified degree of axilla

T22.44 is the ICD-10-CM code for Corrosion of unspecified degree of axilla. It is a non-billable category code — use a more specific child code such as T22.441 for billing.

Status
Header (non-billable)
Chapter
S00-T88
Parent
T22.4
Subcodes
3
Edition
FY2026

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

No additional coding notes for this code.

Frequently asked questions

What is ICD-10 code T22.44?
T22.44 is the ICD-10-CM code for "Corrosion of unspecified degree of axilla". It falls under S00-T88 Injury, poisoning and certain other consequences of external causes.
Is T22.44 a billable code?
No — T22.44 is a non-billable header code. Use a more specific child code (such as T22.441) for billing.
What are the subcodes of T22.44?
T22.44 has 3 more specific child codes, including T22.441, T22.442, T22.449.

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

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