T28.91Header code — not billable
Corrosions of ear drum
- Chapter
- 19. Injury, poisoning and certain other consequences of external causes
- Category
- T28
- Effective date
- October 1, 2026
Related codes in category T28
T28Burn and corrosion of other internal organsT28.0Burn of mouth and pharynxT28.0XXABurn of mouth and pharynx, initial encounterYesT28.0XXDBurn of mouth and pharynx, subsequent encounterYesT28.0XXSBurn of mouth and pharynx, sequelaYesT28.1Burn of esophagusT28.1XXABurn of esophagus, initial encounterYesT28.1XXDBurn of esophagus, subsequent encounterYesT28.1XXSBurn of esophagus, sequelaYesT28.2Burn of other parts of alimentary tractT28.2XXABurn of other parts of alimentary tract, initial encounterYesT28.2XXDBurn of other parts of alimentary tract, subs encntrYes
Frequently asked questions
What is ICD-10 code T28.91?
T28.91 is an ICD-10-CM diagnosis code for Corrosions of ear drum.
Is T28.91 a billable code?
No. T28.91 is a category/header code, not billable on its own — use one of its more specific child codes instead.
What ICD-10-CM chapter is T28.91 in?
T28.91 falls under Chapter 19: Injury, poisoning and certain other consequences of external causes.
When did T28.91 become effective?
T28.91 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to T28.91?
T28.91 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.