What does ICD-10 code I77.7 mean?

ICD-10 code I77.7 is the standardized code used for other arterial dissection in medical records and coding systems.

When is ICD-10 code I77.7 used?

Doctors, hospitals, and insurers may use ICD-10 code I77.7 when recording other arterial dissection in a standardized format. This entry may also act as a broader category that points toward more specific child codes.

Does ICD-10 code I77.7 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 I77.7: Other arterial dissection

Name: ICD-10 Code I77.7: Other arterial dissection
Creator: HealthAssure Clinical Team
Published: 2026-05-21T06:13:56.743Z

I77.7 is an ICD-10 diagnosis entry used to group records related to Other arterial dissection. 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 arterial dissection 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

Official coding notes

Excludes2 (may code together if documented)

dissection of aorta (I71.0-)
dissection of coronary artery (I25.42)

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

I77.0Arteriovenous fistula, acquiredbillable I77.1Stricture of arterybillable I77.2Rupture of arterybillable I77.3Arterial fibromuscular dysplasiabillable I77.4Celiac artery compression syndromebillable I77.5Necrosis of arterybillable I77.6Arteritis, unspecifiedbillable I77.8Other specified disorders of arteries and arterioles I77.9Disorder of arteries and arterioles, unspecifiedbillable

Coding guidelines

Common synonyms

Other arterial dissection

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.