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ICD-10-CM Code I44.1
Atrioventricular block, second degree

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

I44.1 is a billable ICD code used to specify a diagnosis of atrioventricular block, second degree. A 'billable code' is detailed enough to be used to specify a medical diagnosis.

The ICD code I441 is used to code Second-degree atrioventricular block

Second-degree atrioventricular block (AV block) is a disease of the electrical conduction system of the heart. It is a conduction block between the atria and ventricles.

Specialty: Cardiology
MeSH Codes: , , D054537, D054537
ICD 9 Codes: 426.12, 426.13, 426.0, 426.1
Source: Wikipedia

Coding Notes for I44.1 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.
Atrioventricular block, type I and II
Möbitz block block, type I and II
Second degree block, type I and II
Wenckebach's block

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.

ICD-10-CM Alphabetical Index References for 'I44.1 - Atrioventricular block, second degree'

The ICD-10-CM Alphabetical Index links the below-listed medical terms to the ICD code I44.1. Click on any term below to browse the alphabetical index.

Wenckebach's block or phenomenon (I44.1)
Mobitz heart block(atrioventricular) (I44.1)


Mobitz (type) II atrioventricular block (approximate match)
Other second degree atrioventricular block (approximate match)

This is the official approximate match mapping between ICD9 and ICD10, as provided by the General Equivalency mapping crosswalk. This means that while there is no exact mapping between this ICD10 code I44.1 and a single ICD9 code, 426.13 is an approximate match for comparison and conversion purposes.

Parent Code: I44 - Atrioventricular and left bundle-branch block

** This Document Provided By ICD.Codes **
Source: http://icd.codes/icd10cm/I441