2017/18 ICD-10-CM Diagnosis Code I45.9

Conduction disorder, unspecified

Applicable To
  • Heart block NOS
  • Stokes-Adams syndrome
The following code(s) above I45.9 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 I45.9:
  • 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
Approximate Synonyms Clinical Information ICD-10-CM I45.9 is grouped within Diagnostic Related Group(s) (MS-DRG v35.0):

Convert I45.9 to ICD-9-CM

Code History
Code annotations containing back-references to I45.9:

Diagnosis Index entries containing back-references to I45.9:

ICD-10-CM Codes Adjacent To I45.9
I45.10 Unspecified right bundle-branch block
I45.19 Other right bundle-branch block
I45.2 Bifascicular block
I45.3 Trifascicular block
I45.4 Nonspecific intraventricular block
I45.5 Other specified heart block
I45.6 Pre-excitation syndrome
I45.8 Other specified conduction disorders
I45.81 Long QT syndrome
I45.89 Other specified conduction disorders
I45.9 Conduction disorder, unspecified
I46 Cardiac arrest
I46.2 Cardiac arrest due to underlying cardiac condition
I46.8 Cardiac arrest due to other underlying condition
I46.9 Cardiac arrest, cause unspecified
I47 Paroxysmal tachycardia
I47.0 Re-entry ventricular arrhythmia
I47.1 Supraventricular tachycardia
I47.2 Ventricular tachycardia
I47.9 Paroxysmal tachycardia, unspecified
I48 Atrial fibrillation and flutter

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