I27.841: Fontan-associated lymphatic dysfunction
I27.841 is the billable ICD-10-CM diagnosis code for Fontan-associated lymphatic dysfunction. It is a fully specified code, so it can be reported on a claim (subject to clinical documentation and your payer's rules).
Frequently asked questions
What is ICD-10-CM code I27.841?
I27.841 is the ICD-10-CM diagnosis code for Fontan-associated lymphatic dysfunction. It belongs to category I27 (Other pulmonary heart diseases).
Is I27.841 a billable code?
Yes. I27.841 is a billable, fully specified ICD-10-CM code, so it can be used on a claim (subject to documentation and payer rules).
What category does I27.841 belong to?
I27.841 is part of ICD-10-CM category I27 — Other pulmonary heart diseases, which has 34 billable codes.
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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