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ICD-10-CM Current in FY 2027

I48.91

Unspecified atrial fibrillation

Release
FY 2027
Effective
Official source (opens in a new tab)

Hierarchy

Where I48.91 sits in the official hierarchy. Each level is the code it is classified under.

  1. I48 Atrial fibrillation and flutter
  2. I48.9 Parent Unspecified atrial fibrillation and atrial flutter
  3. I48.91 This code Unspecified atrial fibrillation

Version History

How I48.91 appears in each release imported from the official files, newest first.

  1. FY 2027 Effective

    Current

    Unspecified atrial fibrillation

  2. FY 2026 Effective

    Unchanged

    Unspecified atrial fibrillation

Related Codes

Other codes under I48.9

Data Source

Code information on this page is derived from the FY 2027 ICD-10-CM files published by CDC NCHS and CMS.

Release
FY 2027
Effective
Source file
icd10cm-code-descriptions-2027.zip

Official ICD-10-CM source files (opens in a new tab)

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