Unspecified atrial fibrillation and atrial flutter

Not billableICD-10-CM diagnosis code.

This code exists but cannot be submitted on its own. It groups the more specific codes beneath it.

A category header for its whole life, FY2016 onwards. It has never been valid for submission on its own.

Submit one of these 2 more specific codes instead:

I48.91 Unspecified atrial fibrillation
I48.92 Unspecified atrial flutter

What has happened to this code

Every change the publisher made, from 2012 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.

FY2012 Added to the draft code set draft Unspecified atrial fibrillation and atrial flutter

Codes in the same group

Code	Description	Status
I48.0	Paroxysmal atrial fibrillation	Valid
I48.1	Persistent atrial fibrillation	Not billable
I48.2	Chronic atrial fibrillation	Not billable
I48.3	Typical atrial flutter	Valid
I48.4	Atypical atrial flutter	Valid