I79
Non-Billable

Disorders of arteries, arterioles and capillaries in diseases classified elsewhere

Non-Billable / Non-Specific Code

What is Disorders of arteries, arterioles and capillaries in diseases classified elsewhere?

ICD-10-CM I79 is the diagnosis code for Disorders of arteries, arterioles and capillaries in diseases classified elsewhere. This code falls under the section "Diseases of arteries, arterioles and capillaries" within Chapter 9 — Diseases of the circulatory system (I00-I99). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.

Coding Guidelines for I79

Always refer to the official ICD-10-CM Tabular List for complete coding guidelines. Ensure documentation supports the specificity of the code selected. When in doubt, consult a certified medical coder or the latest CMS guidelines.

ICD-10-CM Code Hierarchy

Understanding where I79 sits in the ICD-10-CM classification helps ensure proper coding:

Current CodeI79 — Disorders of arteries, arterioles and capillaries in diseases classified elsewhere
Sub-Codes (3)
Sub-Codes 3 entries
I79.0Aneurysm of aorta in diseases classified elsewhereBillableI79.1Aortitis in diseases classified elsewhereBillableI79.8Other disorders of arteries, arterioles and capillaries in diseases classified elsewhereBillable
Related Codes

Frequently Asked Questions

Is I79 a billable ICD-10-CM code?

No, I79 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.

What does I79 mean?

I79 is the ICD-10-CM diagnosis code for "Disorders of arteries, arterioles and capillaries in diseases classified elsewhere". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What section is I79 in?

I79 is located in Section I70-I79 — "Diseases of arteries, arterioles and capillaries" within Chapter 9 of the ICD-10-CM Tabular List.

What are the sub-codes of I79?

I79 has 3 sub-code(s) that provide more specific detail: I79.0, I79.1, I79.8.

When should I use I79?

Use I79 when the patients documented diagnosis matches "Disorders of arteries, arterioles and capillaries in diseases classified elsewhere" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.

People Also Ask

What is the ICD-10 code for Disorders of arteries, arterioles and capillaries in diseases classified elsewhere?

The ICD-10-CM code for Disorders of arteries, arterioles and capillaries in diseases classified elsewhere is I79.

Can I79 be used for primary diagnosis?

No, I79 is non-billable. Use a more specific sub-code for primary diagnosis billing.

What chapter is I79 in?

I79 is in Chapter 9 of the ICD-10-CM Tabular List.

Is I79 valid for 2026?

Yes, I79 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousI78.9Disease of capillaries, unspecifiedNext →I79.0Aneurysm of aorta in diseases classified elsewhere
Code Details
I79
Disorders of arteries, arterioles and capillaries in diseases classified elsewhere
Non-Billable / Non-Specific Code
9 — Diseases of the circulatory system (I00-I99)
I70-I79 — Diseases of arteries, arterioles and capillaries
2026 ICD-10-CM