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T23.432

Non-billable

Corrosion of unspecified degree of multiple left fingers (nail), not including thumb

T23.432 is the ICD-10-CM code for Corrosion of unspecified degree of multiple left fingers (nail), not including thumb. It is a non-billable category code — use a more specific child code such as T23.432A for billing.

Status
Header (non-billable)
Chapter
S00-T88
Parent
T23.43
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 T23.432?
T23.432 is the ICD-10-CM code for "Corrosion of unspecified degree of multiple left fingers (nail), not including thumb". It falls under S00-T88 Injury, poisoning and certain other consequences of external causes.
Is T23.432 a billable code?
No — T23.432 is a non-billable header code. Use a more specific child code (such as T23.432A) for billing.
What are the subcodes of T23.432?
T23.432 has 3 more specific child codes, including T23.432A, T23.432D, T23.432S.

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

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