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ICD-10-CM Current in FY 2027

I48.11

Longstanding persistent atrial fibrillation

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

Hierarchy

Where I48.11 sits in the official hierarchy. Each level is the code it is classified under.

  1. I48 Atrial fibrillation and flutter
  2. I48.1 Parent Persistent atrial fibrillation
  3. I48.11 This code Longstanding persistent atrial fibrillation

Official Coding Notes

Reproduced verbatim from the FY 2027 ICD-10-CM files. Notes labelled as inherited are declared on a parent code and apply here too.

Excludes1

Permanent atrial fibrillation ( I48.21 )

Inherited from I48.1 — Persistent atrial fibrillation

Version History

How I48.11 appears in each release imported from the official files, newest first.

  1. FY 2027 Effective

    Current

    Longstanding persistent atrial fibrillation

  2. FY 2026 Effective

    Unchanged

    Longstanding persistent atrial fibrillation

Related Codes

Other codes under I48.1

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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