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ICD-10-CM Code I45.9
Conduction disorder, unspecified

Billable Code
Billable codes are sufficient justification for admission to an acute care hospital when used a principal diagnosis.
| ICD-10 from 2011 - 2016

I45.9 is a billable ICD code used to specify a diagnosis of conduction disorder, unspecified. A 'billable code' is detailed enough to be used to specify a medical diagnosis.

The ICD code I459 is used to code Adams-Stokes syndrome

Stokes–Adams syndrome (alternative eponyms include Adams–Stokes syndrome, Gerbezius-Morgagni-Adams–Stokes syndrome and Gerbec-Morgagni-Adams–Stokes syndrome) refers to a sudden, transient episode of syncope, occasionally featuring seizures. Named after two Irish physicians, Robert Adams (1791–1875) and William Stokes (1804–1877), the first description of the syndrome was published in 1717 by the Carniolan physician of Slovene descent Marko Gerbec, which was 44 years after its publication quoted by Giovanni Battista Morgagni.

Specialty: Cardiology
MeSH Code: D000219
ICD 9 Code: 426.9
Source: Wikipedia

Coding Notes for I45.9 Info for medical coders on how to properly use this ICD-10 code

Inclusion Terms:
Inclusion Terms
Inclusion Terms are a list of concepts for which a specific code is used. The list of Inclusion Terms is useful for determining the correct code in some cases, but the list is not necessarily exhaustive.
Heart block NOS
Stokes-Adams syndrome

MS-DRG Mapping

  • DRG Group #308-310 - Cardiac arrhythmia and conduction disorders with MCC.
  • DRG Group #308-310 - Cardiac arrhythmia and conduction disorders with CC.
  • DRG Group #308-310 - Cardiac arrhythmia and conduction disorders without CC or MCC.

Related Concepts SNOMET-CT

  • Paroxysmal atrial tachycardia with block (disorder)
  • Supraventricular tachycardia with functional bundle branch block (disorder)

ICD-10-CM Alphabetical Index References for 'I45.9 - Conduction disorder, unspecified'

The ICD-10-CM Alphabetical Index links the below-listed medical terms to the ICD code I45.9. Click on any term below to browse the alphabetical index.

Spens' syndrome(syncope with heart block) (I45.9)
Stokes-Adams disease or syndrome (I45.9)
Morgagni-Stokes-Adams syndrome (I45.9)
Dropped heart beats (I45.9)
Adams-Stokes(-Morgagni) disease or syndrome (I45.9)


Conduction disorder, unspecified (exact match)

This is the official exact match mapping between ICD9 and ICD10, as provided by the General Equivalency mapping crosswalk. This means that in all cases where the ICD9 code 426.9 was previously used, I45.9 is the appropriate modern ICD10 code.

Parent Code: I45 - Other conduction disorders

** This Document Provided By ICD.Codes **
Source: http://icd.codes/icd10cm/I459