K55.1
✓ BillableChronic vascular disorders of intestine
Diseases of the digestive system (K00-K95)
Also Known As
❌ Excludes1
inheritedRules inherited from parent codes in the hierarchy.
- • necrotizing enterocolitis of newborn (P77.-)
⚠️ Excludes2
inheritedRules inherited from parent codes.
- • angioectasia (angiodysplasia) duodenum (K31.81-)
Clinical Description
ICD-10-CM code K55.1 represents chronic vascular disorders of intestine. This code falls under the Diseases of the digestive system (K00-K95) classification. It is a billable/specific code valid for HIPAA-covered transactions as of October 1, 2025 (FY2026). This code can be used to indicate a diagnosis for reimbursement purposes on insurance claims.
This is a 5-character code at the 4th level of specificity. This is the most specific code available in this subcategory. Coders should note that K55.1 has 1 Excludes1 restriction(s) — codes that cannot be reported together on the same claim.
Frequently Asked Questions
What is ICD-10 code K55.1?
ICD-10-CM code K55.1 is "Chronic vascular disorders of intestine". It belongs to the category: Diseases of the digestive system (K00-K95).
Is K55.1 a billable ICD-10 code?
Yes, K55.1 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
What codes are excluded with K55.1?
K55.1 has 1 Excludes1 rule(s). These codes are mutually exclusive and cannot be coded together on the same claim.
Can K55.1 be coded with other codes?
K55.1 has 1 Excludes2 note(s). These conditions can be coded together if both are documented in the patient record.
Related Codes in K55
Other codes in the same category that may be relevant for differential coding:
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Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)