T28.5XXABillable

Corrosion of mouth and pharynx, initial encounter

Chapter
19. Injury, poisoning and certain other consequences of external causes
Category
T28
Effective date
October 1, 2026

Related codes in category T28

Frequently asked questions

What is ICD-10 code T28.5XXA?

T28.5XXA is an ICD-10-CM diagnosis code for Corrosion of mouth and pharynx, initial encounter.

Is T28.5XXA a billable code?

Yes. T28.5XXA is billable and specific enough to be used on a claim.

What ICD-10-CM chapter is T28.5XXA in?

T28.5XXA falls under Chapter 19: Injury, poisoning and certain other consequences of external causes.

When did T28.5XXA become effective?

T28.5XXA has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to T28.5XXA?

T28.5XXA belongs to category T28, which includes 12 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.