T28.9
T28.9: Corrosions of other and unspecified internal organs
Non-billable headerICD-10-CM
T28.9 is a non-billable header ICD-10-CM code for corrosions of other and unspecified internal organs. It cannot be billed on its own: choose one of the more specific child codes below. This code also requires a 7th character before it is complete.
This code requires a 7th character
The appropriate 7th character is to be added to each code from category T28
- A
- initial encounter
- D
- subsequent encounter
- S
- sequela
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Code history
Unchanged in every release from FY2024 to FY2027.
Code to one of these instead T28.9
3 child codes. Green means billable.
Other codes under T28
- T28.0Burn of mouth and pharynx
- T28.1Burn of esophagus
- T28.2Burn of other parts of alimentary tract
- T28.3Burn of internal genitourinary organs
- T28.4Burns of other and unspecified internal organs
- T28.5Corrosion of mouth and pharynx
- T28.6Corrosion of esophagus
- T28.7Corrosion of other parts of alimentary tract
- T28.8Corrosion of internal genitourinary organs