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ICD-10/I49.81

I49.81 ICD-10-CM Code: Brugada syndrome

I49.81 is the authoritative medical code for Brugada syndrome. This classification is used in medical billing and clinical recording to specify the clinical criteria for brugada syndrome (ICD-10-CM I49.81), ensuring healthcare documentation aligns with current federal coding standards.

Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.

Code Set: New for FY2027 — not valid before October 1, 2026. FY2026 took effect October 1, 2025.

Official Registry Overview & Definition

No additional overview provided for this record.

Official Tabular Instructional Notes

Sequencing, inclusion, and exclusion notes published for I49.81 in the official ICD-10-CM tabular list.

Excludes2 — Not Included Here

Conditions not covered by this code, but which may be reported alongside it when both are present.

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

Code First

Underlying conditions that must be sequenced before this code.

  • cardiac arrhythmia complicating:
  • abortion or ectopic or molar pregnancy (O00-O07, O08.8)
  • obstetric surgery and procedures (O75.4)

Frequently Asked Questions (FAQ) & Clinical Guidance

Can I49.81 be reported alongside related conditions?

Per official ICD-10-CM Excludes2 instructions, I49.81 and the following are not considered part of each other and may both be reported when both conditions are present: bradycardia NOS (R00.1); neonatal dysrhythmia (P29.1-); sinoatrial bradycardia (R00.1); sinus bradycardia (R00.1).

Does I49.81 need to be sequenced after another code?

Yes. Code first: cardiac arrhythmia complicating:; abortion or ectopic or molar pregnancy (O00-O07, O08.8); obstetric surgery and procedures (O75.4).

Nearest Codes in This Family

Official ICD-10-CM classifications closest to I49.81 in its code family, with their registry titles.

  • I49.2 — Junctional premature depolarization
  • I49.3 — Ventricular premature depolarization
  • I49.4 — Other and unspecified premature depolarization
  • I49.40 — Unspecified premature depolarization
  • I49.49 — Other premature depolarization
  • I49.5 — Sick sinus syndrome
  • I49.8 — Other specified cardiac arrhythmias
  • I49.82 — Ventricular bigeminy
  • I49.89 — Other specified cardiac arrhythmias not elsewhere classified
  • I49.9 — Cardiac arrhythmia, unspecified

View all codes in the I49 family

Indexed Clinical Terms (1)

Clinical term phrases from the official ICD-10-CM Index to Diseases and Injuries that map to this code.

  • Syndrome, Brugada