2017/18 ICD-10-CM Diagnosis Code I49.5

Sick sinus syndrome

Applicable To
  • Tachycardia-bradycardia syndrome
The following code(s) above I49.5 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to I49.5:
  • I00-I99
    2018 ICD-10-CM Range I00-I99

    Diseases of the circulatory system

    Type 2 Excludes
    • 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.-)
    Diseases of the circulatory system
  • I49
    ICD-10-CM Diagnosis Code I49

    Other cardiac arrhythmias

      2016 2017 2018 Non-Billable/Non-Specific Code
    Code First
    • cardiac arrhythmia complicating:
    • abortion or ectopic or molar pregnancy (O00-O07, O08.8)
    • obstetric surgery and procedures (O75.4)
    Type 1 Excludes
    • neonatal dysrhythmia (P29.1-)
    • sinoatrial bradycardia (R00.1)
    • sinus bradycardia (R00.1)
    • vagal bradycardia (R00.1)
    Type 2 Excludes
    Other cardiac arrhythmias
Approximate Synonyms Clinical Information ICD-10-CM I49.5 is grouped within Diagnostic Related Group(s) (MS-DRG v35.0):

Convert I49.5 to ICD-9-CM

Code History

Diagnosis Index entries containing back-references to I49.5:

ICD-10-CM Codes Adjacent To I49.5
I49 Other cardiac arrhythmias
I49.0 Ventricular fibrillation and flutter
I49.01 Ventricular fibrillation
I49.02 Ventricular flutter
I49.1 Atrial premature depolarization
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
I49.9 Cardiac arrhythmia, unspecified
I50 Heart failure
I50.1 Left ventricular failure, unspecified
I50.2 Systolic (congestive) heart failure
I50.20 Unspecified systolic (congestive) heart failure
I50.21 Acute systolic (congestive) heart failure
I50.22 Chronic systolic (congestive) heart failure
I50.23 Acute on chronic systolic (congestive) heart failure
I50.3 Diastolic (congestive) heart failure

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.