K55
⚠ Non-billable
Vascular disorders of intestine
ICD-10-CM · FY2026 · Diseases of the Digestive System
Code
K55
System
ICD-10-CM
Billable
No — use specific code
Effective
FY2026
Chapter
Diseases of the Digestive System
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Official coding notes
From CMS's ICD-10-CM Tabular List.
Excludes1 — never code together
- necrotizing enterocolitis of newborn (P77.-)
Excludes2 — not included here, but may code together
- angioectasia (angiodysplasia) duodenum (K31.81-)
Frequently asked questions
What is ICD-10 code K55?
ICD-10-CM code K55 represents Vascular disorders of intestine. It is a non-billable header code requiring a more specific subcategory in the Diseases of the Digestive System chapter, effective October 1, 2025 – September 30, 2026.
Is K55 billable?
No. K55 is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is K55 in?
K55 belongs to the Diseases of the Digestive System chapter (K00–K95) of ICD-10-CM.
Related codes in the K55 category
K55.0
Acute vascular disorders of intestine
Non-billable
K55.1
Chronic vascular disorders of intestine
Billable
K55.2
Angiodysplasia of colon
Non-billable
K55.3
Necrotizing enterocolitis
Non-billable
K55.8
Other vascular disorders of intestine
Billable
K55.9
Vascular disorder of intestine, unspecified
Billable
K55.01
Acute (reversible) ischemia of small intestine
Non-billable
K55.02
Acute infarction of small intestine
Non-billable
Search all 98,186 ICD-10-CM codes instantly
Search ICDwise →