K55 – Vascular disorders of intestine
ICD-10-CM 2027 diagnosis code · Other diseases of intestines
ICD-10-CM code
K55
- Code
K55(claims format:K55)- Description
- Vascular disorders of intestine
- Billable
- No – use a more specific code below
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 11. Diseases of the digestive system (K00-K95)
- Block
- K55-K64 Other diseases of intestines
Billable codes under K55
K55 is a header code and cannot be used on claims. Choose the most specific code:
- K55.0 – Acute vascular disorders of intestineHeader (more codes below)
- K55.1 – Chronic vascular disorders of intestineBillable
- K55.2 – Angiodysplasia of colonHeader (more codes below)
- K55.3 – Necrotizing enterocolitisHeader (more codes below)
- K55.8 – Other vascular disorders of intestineBillable
- K55.9 – Vascular disorder of intestine, unspecifiedBillable
Notes for K55
Excludes1 (not coded here):
- necrotizing enterocolitis of newborn (P77.-)
Excludes2 (not included here):
- angioectasia (angiodysplasia) duodenum (K31.81-)
Frequently asked questions
What is ICD-10 code K55?
K55 is the ICD-10-CM code for vascular disorders of intestine, in the block K55-K64 (Other diseases of intestines).
Is K55 a billable code?
No. K55 is a header code with more specific child codes; report one of the billable codes listed above.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.