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I49.81

I49.81: Brugada syndrome

Billable / specific codeICD-10-CM

I49.81 is a billable, specific ICD-10-CM code for brugada syndrome. It is valid for submission on a claim.

Check I49.81 with the rest of the claim: free scrubber

Excludes2 inherited from the categories above I49.81

Not part of this code, but both may be coded when both are present.

Written on I49: Other cardiac arrhythmias

  • bradycardia NOS (R00.1)
  • neonatal dysrhythmia (P29.1-)
  • sinoatrial bradycardia (R00.1)
  • sinus bradycardia (R00.1)
  • vagal bradycardia (R00.1)

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

I49.81 is named in 17 Medicare coverage policies: 17 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A52458Automatic External Defibrillators - Policy Article
  • A56423Billing and Coding: Cardiology Non-emergent Outpatient Stress Testing
  • A56476Billing and Coding: Cardiac Radionuclide Imaging
  • A56602Billing and Coding: Cardiac Rhythm Device Evaluation

Alphabetic index entries that lead here

  • Syndrome›Brugada

Code history

  • addedFY2024-FY2027

    Brugada syndrome

Other codes under I49.8

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.