K35
K35: Acute appendicitis
Non-billable headerICD-10-CM
K35 is a non-billable header ICD-10-CM code for acute appendicitis. It cannot be billed on its own: choose one of the more specific child codes below.
Other codes that can never be billed with K35
Their own Excludes1 notes name this code, so the conflict is not listed above.
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 K35
3 child codes. Green means billable.