T24.531A
✓ BillableCorrosion of first degree of right lower leg, initial encounter
Injury, poisoning and certain other consequences of external causes (S00-T88)
⚠️ 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
Clinical Description
ICD-10-CM code T24.531A represents corrosion of first degree of right lower leg, initial encounter. This code falls under the Injury, poisoning and certain other consequences of external causes (S00-T88) classification. It is a billable/specific code valid for HIPAA-covered transactions as of October 1, 2025 (FY2026). This code can be used to indicate a diagnosis for reimbursement purposes on insurance claims.
This is a 8-character code at the 7th level of specificity. This is the most specific code available in this subcategory.
Frequently Asked Questions
What is ICD-10 code T24.531A?
ICD-10-CM code T24.531A is "Corrosion of first degree of right lower leg, initial encounter". It belongs to the category: Injury, poisoning and certain other consequences of external causes (S00-T88).
Is T24.531A a billable ICD-10 code?
Yes, T24.531A is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
Can T24.531A be coded with other codes?
T24.531A has 2 Excludes2 note(s). These conditions can be coded together if both are documented in the patient record.
Related Codes in T24.531
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)