I77.8
⚠ Non-billable (Header)Other specified disorders of arteries and arterioles
Diseases of the circulatory system (I00-I99)
⚠️ This is a category header code — not billable. Use a more specific child code below.
⚠️ Excludes2
inherited from I77Rules from parent category I77: Other disorders of arteries and arterioles
- • collagen (vascular) diseases (M30-M36)
- • hypersensitivity angiitis (M31.0)
- • pulmonary artery (I28.-)
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CodeI77.8
BillableNo — Header code
ParentI77
CategoryDiseases of the circulatory system (I00-I99)
Excludes10 rule(s)
Excludes23 note(s)
Child codes3
Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)