ICD-10-CM Diagnosis Code (2025)
Official Description for I45
Other conduction disorders
Coding Notes & Guidelines for I45
Excludes1: Not Coded Here
heart block NOS (I45.9)
Inclusion Terms
Right bundle-branch block NOS
Inclusion Terms
Bundle-branch block NOS
Inclusion Terms
- Sinoatrial block
- Sinoauricular block
Inclusion Terms
- Accelerated atrioventricular conduction
- Accessory atrioventricular conduction
- Anomalous atrioventricular excitation
- Lown-Ganong-Levine syndrome
- Pre-excitation atrioventricular conduction
- Wolff-Parkinson-White syndrome
Inclusion Terms
- Atrioventricular [AV] dissociation
- Interference dissociation
- Isorhythmic dissociation
- Nonparoxysmal AV nodal tachycardia
Inclusion Terms
- Heart block NOS
- Stokes-Adams syndrome
Child Codes (More Specific Codes for I45):
I45.0 - Right fascicular block
I45.1 - Other and unspecified right bundle-branch block
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
About ICD-10-CM Code I45 (Other conduction disorders)
ICD-10-CM code I45 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 I45 became effective on October 1, 2024.
This page provides detailed information about I45 - Other conduction disorders. 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 Other conduction disorders.