ICD-10-CM Diagnosis Code (2025)
Official Description for I44
Atrioventricular and left bundle-branch block
Coding Notes & Guidelines for I44
Inclusion Terms
- Atrioventricular block, type I and II
- Möbitz block, type I and II
- Second degree block, type I and II
- Wenckebach's block
Inclusion Terms
- Complete heart block NOS
- Third degree block
Inclusion Terms
Atrioventricular block NOS
Inclusion Terms
Left bundle-branch hemiblock NOS
Child Codes (More Specific Codes for I44):
I44.0 - Atrioventricular block, first degree
I44.1 - Atrioventricular block, second degree
I44.2 - Atrioventricular block, complete
I44.3 - Other and unspecified atrioventricular block
I44.30 - Unspecified atrioventricular block
I44.39 - Other atrioventricular block
I44.4 - Left anterior fascicular block
I44.5 - Left posterior fascicular block
I44.6 - Other and unspecified fascicular block
I44.60 - Unspecified fascicular block
I44.69 - Other fascicular block
I44.7 - Left bundle-branch block, unspecified
About ICD-10-CM Code I44 (Atrioventricular and left bundle-branch block)
ICD-10-CM code I44 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM I44 became effective on October 1, 2024.
This page provides detailed information about I44 - Atrioventricular and left bundle-branch block. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Atrioventricular and left bundle-branch block.