Home > 2015 ICD-9-CM Diagnosis Codes > Diseases Of The Circulatory System 390-459 > Other Forms Of Heart Disease 420-429 > Cardiac dysrhythmias 427-
Specific code 2015 ICD-9-CM Diagnosis Code 427.81
Sinoatrial node dysfunction
  • 2015
  • Billable Thru Sept 30/2015
  • Non-Billable On/After Oct 1/2015

  • ICD-9-CM 427.81 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 427.81 should only be used for claims with a date of service on or before September 30, 2015. For claims with a date of service on or after October 1, 2015, use an equivalent ICD-10-CM code (or codes).
Convert to ICD-10-CM: 427.81 converts approximately to:
  • 2015/16 ICD-10-CM I49.5 Sick sinus syndrome
    Or:
  • 2015/16 ICD-10-CM R00.1 Bradycardia, unspecified
Approximate Synonyms
  • Bradycardia tachycardia syndrome
  • Persistent sinus bradycardia
  • Sick sinus syndrome
  • Sinus bradycardia, persistent
  • Sinus node dysfunction
  • Tachycardia bradycardia syndrome
  • Tachycardia-bradycardia
Clinical Information
  • A constellation of signs and symptoms which may include syncope, fatigue, dizziness, and alternating periods of bradycardia and atrial tachycardia, which is caused by sinoatrial node dysfunction
  • A constellation of signs and symptoms which may include syncope, fatigue, dizziness, and alternating periods of bradycardia and atrial tachycardia, which is caused by sinoatrial node dysfunction. (nci)
  • A derangement in the normal functioning of the sinoatrial node. Typically, sa node dysfunction is manifest as sinoatrial exit block or sinus arrest, but may present as an absolute or relative bradycardia in the presence of a stressor. It may be associated with bradycardia-tachycardia syndrome
  • A derangement in the normal functioning of the sinoatrial node. Typically, sa node dysfunction is manifest as sinoatrial exit block or sinus arrest, but may present as an absolute or relative bradycardia in the presence of a stressor. It may be associated with bradycardia-tachycardia syndrome. (nci)
427.81 Excludes
  • sinus bradycardia NOS (427.89)
Applies To
  • Sinus bradycardia:
    • persistent
    • severe
  • Syndrome:
    • sick sinus
    • tachycardia-bradycardia
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
 427.8 ICD9Data.com 427.89 
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 2015 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.
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