I78

Non-billable

Diseases of capillaries

I78 is the ICD-10-CM code for Diseases of capillaries. It is a non-billable category code — use a more specific child code such as I78.0 for billing.

Status
Header (non-billable)
Chapter
I00-I99
Subcodes
4
Edition
FY2026

I00-I99 Diseases of the circulatory system

No additional coding notes for this code.

Frequently asked questions

What is ICD-10 code I78?
I78 is the ICD-10-CM code for "Diseases of capillaries". It falls under I00-I99 Diseases of the circulatory system.
Is I78 a billable code?
No — I78 is a non-billable header code. Use a more specific child code (such as I78.0) for billing.
What are the subcodes of I78?
I78 has 4 more specific child codes, including I78.0, I78.1, I78.8.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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