I45.89 Other specified conduction disorders

Billable ICD-10-CM code, FY2026. Acts as a Complication or Comorbidity (CC) as a secondary diagnosis.

Applicable to

• Atrioventricular [AV] dissociation
• Interference dissociation
• Isorhythmic dissociation
• Nonparoxysmal AV nodal tachycardia

MS-DRG index

Defines the logic of DRG(s) 308-310 in MDC 05.

Approximate ICD-9-CM (GEMs)

• 426.89 Other specified conduction disorders

Diagnosis Index entries for I45.89

• Dissociation › auriculoventricular or atrioventricular (AV) (any degree) (isorhythmic)
• Dissociation › interference
• Incompetency, incompetent, incompetence › chronotropic
• Tachycardia › non-paroxysmal AV nodal

Nearby codes

• 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 (this code)
• I45.9 Conduction disorder, unspecified