I48.19: Other persistent atrial fibrillation
I48.19 is the billable ICD-10-CM diagnosis code for Other persistent atrial fibrillation. 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 I48.19?
I48.19 is the ICD-10-CM diagnosis code for Other persistent atrial fibrillation. It belongs to category I48 (Atrial fibrillation and flutter).
Is I48.19 a billable code?
Yes. I48.19 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 I48.19 belong to?
I48.19 is part of ICD-10-CM category I48 — Atrial fibrillation and flutter, which has 18 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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