K20
K20: Esophagitis
Non-billable headerICD-10-CM
K20 is a non-billable header ICD-10-CM code for esophagitis. It cannot be billed on its own: choose one of the more specific child codes below.
Excludes1: never code together
These conditions cannot occur together. Billing both on the same encounter is a denial.
Excludes2: not included here, but may coexist
The excluded condition is not part of this code, but a patient can have both. You may code both.
- eosinophilic gastritis or gastroenteritis (K52.81)
Use additional code
Add a secondary code to capture the detail described below.
- code to identify:
- alcohol abuse and dependence (F10.-)
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 K20
3 child codes. Green means billable.