What does ICD-10 code I77 mean?

ICD-10 code I77 is the standardized code used for other disorders of arteries and arterioles in medical records and coding systems.

When is ICD-10 code I77 used?

Doctors, hospitals, and insurers may use ICD-10 code I77 when recording other disorders of arteries and arterioles in a standardized format. This entry may also act as a broader category that points toward more specific child codes.

Does ICD-10 code I77 confirm a diagnosis?

No. A code helps standardize documentation and claims, but it should not be read as a substitute for a clinician's full assessment.

ICD10

ICD-10 Code I77: Other disorders of arteries and arterioles

Name: ICD-10 Code I77: Other disorders of arteries and arterioles
Creator: HealthAssure Clinical Team
Published: 2026-05-21T06:13:56.412Z

I77 is an ICD-10 diagnosis entry used to group records related to Other disorders of arteries and arterioles. You may see this entry in coding references, medical records, or claims workflows when a broader diagnosis category is being reviewed before a more specific code is chosen. ICD-10 entries help standardize how diagnoses are organized for coding, reporting, analytics, and documentation. This code sits within the broader ICD-10 area for Diseases of the circulatory system (I00-I99).

Reviewed by HealthAssure Clinical TeamUpdated 21 May 2026

What is this code?

ICD-10 entries help standardize how diagnoses are organized for coding, reporting, analytics, and documentation. This code sits within the broader ICD-10 area for Diseases of the circulatory system (I00-I99).

When is it used?

May be used when a clinician documents other disorders of arteries and arterioles in a patient's medical record.
May appear in hospital records, claims, referrals, and clinical documentation.
This code may act more like a grouping or parent code, so a more specific child code may be used in final documentation when available.

What it does not mean

A code alone does not explain severity, treatment plan, or outcome.
A medical code should not be treated as a substitute for a doctor's diagnosis or advice.
This entry may represent a broader category rather than the most specific billable code.

Code hierarchy

chapter

9Diseases of the circulatory system (I00-I99)

block

I70-I79Diseases of arteries, arterioles and capillaries

currentI70-I79

Official coding notes

Excludes2 (may code together if documented)

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

Where you may see this code

You may see this entry in coding references, medical records, or claims workflows when a broader diagnosis category is being reviewed before a more specific code is chosen.

Related specialists

CardiologistGeneral Physician

Sibling codes

I70Atherosclerosis I71Aortic aneurysm and dissection I72Other aneurysm I73Other peripheral vascular diseases I74Arterial embolism and thrombosis I75Atheroembolism I76Septic arterial embolismbillable I78Diseases of capillaries I79Disorders of arteries, arterioles and capillaries in diseases classified elsewhere

Coding guidelines

Compatibility

Legacy code aligns to an official FY 2026 category. Frontend should resolve to the official category page and surface the billable child codes.

Legacy codes

I77

Replacement codes

I77.0 — Arteriovenous fistula, acquiredI77.1 — Stricture of arteryI77.2 — Rupture of arteryI77.3 — Arterial fibromuscular dysplasiaI77.4 — Celiac artery compression syndromeI77.5 — Necrosis of arteryI77.6 — Arteritis, unspecifiedI77.9 — Disorder of arteries and arterioles, unspecified

Common synonyms

Other disorders of arteries and arterioles

Frequently asked questions

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.