I77.1

✓ Billable

Stricture of artery

Diseases of the circulatory system (I00-I99)

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Also Known As

Narrowing of artery

⚠️ Excludes2

inherited

Rules inherited from parent codes.

  • collagen (vascular) diseases (M30-M36)
  • hypersensitivity angiitis (M31.0)
  • pulmonary artery (I28.-)

Clinical Description

ICD-10-CM code I77.1 represents stricture of artery. This code falls under the Diseases of the circulatory system (I00-I99) 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.

Frequently Asked Questions

What is ICD-10 code I77.1?

ICD-10-CM code I77.1 is "Stricture of artery". It belongs to the category: Diseases of the circulatory system (I00-I99).

Is I77.1 a billable ICD-10 code?

Yes, I77.1 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

Can I77.1 be coded with other codes?

I77.1 has 3 Excludes2 note(s). These conditions can be coded together if both are documented in the patient record.

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Code Information

CodeI77.1
BillableYes
ParentI77
CategoryDiseases of the circulatory system (I00-I99)
Excludes10 rule(s)
Excludes23 note(s)

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)