T24.432
⚠ Non-billable (Header)Corrosion of unspecified degree of left lower leg
Injury, poisoning and certain other consequences of external causes (S00-T88)
⚠️ This is a category header code — not billable. Use a more specific child code below.
⚠️ Excludes2
inheritedRules inherited from parent codes.
- • burn and corrosion of ankle and foot (T25.-)
- • burn and corrosion of hip region (T21.-)
📋 Code Instructions
inherited- • external cause code to identify place (Y92)
- • Code first: (T51-T65) to identify chemical and intent
Child Codes (3)
Clinical Description
ICD-10-CM code T24.432 represents corrosion of unspecified degree of left lower leg. This code falls under the Injury, poisoning and certain other consequences of external causes (S00-T88) classification. It is a non-billable category header code. A more specific child code from the list below must be used for billing and reimbursement purposes.
This is a 7-character code at the 6th level of specificity. There are 3 more specific child codes under T24.432.
Frequently Asked Questions
What is ICD-10 code T24.432?
ICD-10-CM code T24.432 is "Corrosion of unspecified degree of left lower leg". It belongs to the category: Injury, poisoning and certain other consequences of external causes (S00-T88).
Is T24.432 a billable ICD-10 code?
No, T24.432 is a non-billable header code. A more specific child code must be used for billing.
Can T24.432 be coded with other codes?
T24.432 has 2 Excludes2 note(s). These conditions can be coded together if both are documented in the patient record.
Related Codes in T24.43
Other codes in the same category that may be relevant for differential coding:
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Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)