I48.20
BillableChronic atrial fibrillation, unspecified
I48.20 is the ICD-10-CM code for Chronic atrial fibrillation, unspecified. It is a billable, specific code valid for reimbursement.
I00-I99 Diseases of the circulatory system
Excludes1 — not coded here
- •Chronic persistent atrial fibrillation (I48.19)
Frequently asked questions
- What is ICD-10 code I48.20?
- I48.20 is the ICD-10-CM code for "Chronic atrial fibrillation, unspecified". It falls under I00-I99 Diseases of the circulatory system.
- Is I48.20 a billable code?
- Yes — I48.20 is a billable, specific ICD-10-CM code valid for reimbursement.
- What is excluded from I48.20?
- Excludes1 (not coded here): Chronic persistent atrial fibrillation (I48.19).
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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