T30.4Billable
Corrosion of unspecified body region, unspecified degree
- Chapter
- 19. Injury, poisoning and certain other consequences of external causes
- Category
- T30
- Effective date
- October 1, 2026
Related codes in category T30
Frequently asked questions
What is ICD-10 code T30.4?
T30.4 is an ICD-10-CM diagnosis code for Corrosion of unspecified body region, unspecified degree.
Is T30.4 a billable code?
Yes. T30.4 is billable and specific enough to be used on a claim.
What ICD-10-CM chapter is T30.4 in?
T30.4 falls under Chapter 19: Injury, poisoning and certain other consequences of external causes.
When did T30.4 become effective?
T30.4 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to T30.4?
T30.4 belongs to category T30, which includes 2 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.