I27.84

Non-billable

Fontan related circulation

I27.84 is the ICD-10-CM code for Fontan related circulation. It is a non-billable category code — use a more specific child code such as I27.840 for billing.

Status
Header (non-billable)
Chapter
I00-I99
Parent
I27.8
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 I27.84?
I27.84 is the ICD-10-CM code for "Fontan related circulation". It falls under I00-I99 Diseases of the circulatory system.
Is I27.84 a billable code?
No — I27.84 is a non-billable header code. Use a more specific child code (such as I27.840) for billing.
What are the subcodes of I27.84?
I27.84 has 4 more specific child codes, including I27.840, I27.841, I27.848.

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

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