icd10free.comPowered by Curo
I49Non-billableSave

I49 - Other cardiac arrhythmias

ICD-10-CM Chapter 9: Diseases of the circulatory system · I30-I5A Other forms of heart disease (I30-I5A) · Top-level category · FY2027

Coding Guidance

I49 is a non-billable heading. Report one of the 8 more specific codes below.

Includes, Excludes and Coding Notes

Excludes 2 — Not Included HereFrom I49

Not part of this code; report both codes when the patient has both conditions.

  • bradycardia NOS (R00.1)
  • neonatal dysrhythmia (P29.1-)
  • sinoatrial bradycardia (R00.1)
  • sinus bradycardia (R00.1)
  • vagal bradycardia (R00.1)
Code FirstFrom I49

Sequence the underlying condition before this code.

  • cardiac arrhythmia complicating:
  • abortion or ectopic or molar pregnancy (O00-O07, O08.8)
  • obstetric surgery and procedures (O75.4)
Excludes 2 — Not Included HereFrom Chapter I00-I99

Not part of this code; report both codes when the patient has both conditions.

  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
  • systemic connective tissue disorders (M30-M36)
  • transient cerebral ischemic attacks and related syndromes (G45.-)

More Specific Codes (8)

I49.0Ventricular fibrillation and flutter→I49.1Atrial premature depolarization→I49.2Junctional premature depolarization→I49.3Ventricular premature depolarization→I49.4Other and unspecified premature depolarization→I49.5Sick sinus syndrome→I49.8Other specified cardiac arrhythmias→I49.9Cardiac arrhythmia, unspecified→

Related condition guides

Documentation requirements, coding pitfalls and FAQs for conditions coded with I49.