Specific code 2011 ICD-9-CM Diagnosis Code 427.81
Sinoatrial node dysfunction
  • Short description: Sinoatrial node dysfunct.
  • ICD-9-CM 427.81 will be replaced by an equivalent ICD-10-CM code (or codes) when the United States transitions from ICD-9-CM to ICD-10-CM on October 1, 2015.
  • ICD-9-CM 427.81 is a billable medical code that can be used to specify a diagnosis on a reimbursement claim.
  • You are viewing the 2011 version of ICD-9-CM 427.81.
  • More recent version(s) of ICD-9-CM 427.81: 2012 2013 2014.
Disease Synonyms
  • Bradycardia tachycardia syndrome
  • Persistent sinus bradycardia
  • Sick sinus syndrome
  • Sinus bradycardia, persistent
  • Sinus node dysfunction
  • Tachycardia bradycardia syndrome
  • Tachycardia-bradycardia
427.81 Excludes
  • sinus bradycardia NOS (427.89)
Applies To
  • Sinus bradycardia:
    • persistent
    • severe
  • Syndrome:
    • sick sinus
    • tachycardia-bradycardia
Convert to ICD-10-CM: 427.81 converts approximately to:
  • 2014 ICD-10-CM I49.5 Sick sinus syndrome
    Or:
  • 2014 ICD-10-CM R00.1 Bradycardia, unspecified
ICD-9-CM Volume 2 Index entries containing back-references to 427.81:
  • 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
        • autonomic dysfunction 337.9
        • ischemic heart disease 414.9
        • left ventricular dysfunction 429.89
        • 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
    • tachycardia-bradycardia 427.81
  • Tachyarrhythmia, tachyrhythmia - see also Tachycardia
    • paroxysmal with sinus bradycardia 427.81
  • Tachycardia 785.0
    • sick sinus 427.81
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 427.81 is one of thousands of ICD-9-CM codes used in healthcare. Although ICD-9-CM and CPT codes are largely numeric, they differ in that CPT codes describe medical procedures and services. Can't find a code? Start at the root of ICD-9-CM, check the 2011 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.