K55
K55: Vascular disorders of intestine
Non-billable headerICD-10-CM
K55 is a non-billable header ICD-10-CM code for vascular disorders of intestine. 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.
- necrotizing enterocolitis of newborn (P77.-)
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.
- angioectasia (angiodysplasia) duodenum (K31.81-)
Other codes that can never be billed with K55
Their own Excludes1 notes name this code, so the conflict is not listed above.
- K56Paralytic ileus and intestinal obstruction without hernia
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 K55
6 child codes. Green means billable.