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

What this means — in plain language

MedlinePlus · NIH

What are congenital heart defects? Congenital heart defects (CHDs) are problems with the structure of the heart. "Congenital" means that that the problems are present at birth. These defects happen when a fetus's heart doesn't develop normally during pregnancy. Congenital heart defects are the most common type of birth defect . Congenital heart defects can change the way the heart pumps blood. They may make blood…

Read more about Congenital Heart Defects at MedlinePlus ↗

Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.

No additional coding notes for this code.

Medications indicated for this condition

FDA labeling

Drugs whose FDA labeling lists this condition's category among its indications. Informational only — not a treatment recommendation or medical advice.

Conditions mapped to this code

MedlinePlus · NIH

Plain-language health-topic references grounded in MedlinePlus (NIH/NLM).

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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