ICD-10-CM
ICD-10 code for Atrial flutter: I48.92
The closest CDC title for "Atrial flutter" is I48.92, Unspecified atrial flutter. I48.92 is a billable code.
Source: CDC ICD-10-CM FY2027 order file dated June 16, 2026. Publisher page
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Codes under I48, then other CDC titles that name unspecified atrial flutter
A header groups codes and is not billed. A billable code is one you can report.
- I48Atrial fibrillation and flutterHeader
- I48.0Paroxysmal atrial fibrillationBillable
- I48.1Persistent atrial fibrillationHeader
- I48.11Longstanding persistent atrial fibrillationBillable
- I48.19Other persistent atrial fibrillationBillable
- I48.2Chronic atrial fibrillationHeader
- I48.20Chronic atrial fibrillation, unspecifiedBillable
- I48.21Permanent atrial fibrillationBillable
- I48.3Typical atrial flutterBillable
- I48.4Atypical atrial flutterBillable
- I48.9Unspecified atrial fibrillation and atrial flutterHeader
- I48.91Unspecified atrial fibrillationBillable
- I48.92Unspecified atrial flutterBillable
Related conditions
Related pages
- I48.92 code detailsNotes, nearby codes, CMS-HCC group
- Category I48Every code under it
- Chapter 9Diseases of the circulatory system
- ICD-10 codes by conditionA to Z
- Check a list of ICD-10 codes
- Denial code CO-11Diagnosis does not support the procedure
- Denial code CO-146Diagnosis invalid for the date of service
- HCPCS Level II code lookup
Questions
What is the ICD-10 code for Atrial flutter?
The closest CDC title for "Atrial flutter" is I48.92, Unspecified atrial flutter. I48.92 is a billable code.
Is I48.92 billable?
Yes. I48.92 is a billable code in the FY2027 ICD-10-CM file. Use a more specific code when the record documents one.
What chapter is I48.92 in?
Chapter 9. Diseases of the circulatory system.
When do ICD-10-CM codes change?
Every October 1, with the new fiscal year file. Some years add April 1 updates. This page uses the FY2027 file, effective October 1, 2026.