427.81 SINOATRIAL NODE DYSFUNCT


Code Information

Diagnosis Code: 427.81

Short Description: Sinoatrial node dysfunct

Long Description: Sinoatrial node dysfunction

Code Classification:

  • Diseases of the circulatory system (390–459)
    • Other forms of heart disease (420-429)
      • 427 Cardiac dysrhythmias
        • 427.81 Sinoatrial node dysfunct

Code Version: 2015 ICD-9-CM


References to Index of Diseases and Injuries

The code 427.81 has the following ICD-9-CM references to the Index of Diseases and Injuries
  • Bradycardia 427.89
    • chronic (sinus) 427.81
    • sinoatrial 427.89
      • with paroxysmal tachyarrhythmia or tachycardia 427.81
      • chronic 427.81
    • sinus 427.89
      • with paroxysmal tachyarrhythmia or tachycardia 427.81
      • chronic 427.81
      • persistent 427.81
      • severe 427.81
    • tachycardia syndrome 427.81
  • Dysfunction
    • sinoatrial node 427.81
  • Incompetency, incompetence, incompetent
    • chronotropic 426.89
      • with
        • sinus node dysfunction 427.81
  • Pause, sinoatrial 427.81
  • Sick sinus syndrome 427.81
  • Sinus - see also Fistula
    • bradycardia 427.89
      • chronic 427.81
  • Syndrome - see also Disease
    • bradycardia-tachycardia 427.81
    • sick
      • sinus 427.81
    • tachycardia-bradycardia 427.81
  • Tachyarrhythmia, tachyrhythmia - see also Tachycardia
    • paroxysmal with sinus bradycardia 427.81
  • Tachycardia 785.0
    • paroxysmal 427.2
      • with sinus bradycardia 427.81
    • sick sinus 427.81

Crosswalk Information

The code 427.81 converts into the following ICD-10 code(s):
ICD-9 Code ICD-10 Code ICD-10 Description
427.81 Right Arrow I49.5 Sick sinus syndrome
R00.1 Bradycardia, unspecified
This ICD-9 to ICD-10 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-9 Code ICD-9 Description
427.0 Paroxysmal supraventricular tachycardia
427.1 Paroxysmal ventricular tachycardia
427.2 Paroxysmal tachycardia, unspecified
427.31 Atrial fibrillation
427.32 Atrial flutter
427.41 Ventricular fibrillation
427.42 Ventricular flutter
427.5 Cardiac arrest
427.60 Premature beats, unspecified
427.61 Supraventricular premature beats
427.69 Other premature beats
427.89 Other specified cardiac dysrhythmias
427.9 Cardiac dysrhythmia, unspecified


This page was last updated on: 10/1/2014