I45.9 Conduction disorder, unspecified
Billable ICD-10-CM code, FY2026.
Applicable to
- Heart block NOS
- Stokes-Adams syndrome
MS-DRG index
Defines the logic of DRG(s) 308-310 in MDC 05.
Approximate ICD-9-CM (GEMs)
426.9 Conduction disorder, unspecified
Code annotations containing back-references to I45.9
Back-references to I45.9
- Code Also:
H49.81 Kearns-Sayre syndrome ("heart block (I45.9)") - Type 1 Excludes:
I45.5 Other specified heart block ("heart block NOS (I45.9)") - Type 1 Excludes:
R55 Syncope and collapse ("Stokes-Adams attack (I45.9)")
Diagnosis Index entries for I45.9
- Adams-Stokes (-Morgagni) disease or syndrome
- Arrhythmia (auricle)(cardiac)(juvenile)(nodal)(reflex)(supraventricular)(transitory)(ventricle) › block
- Attack, attacks › Adams-Stokes
- Attack, attacks › Stokes-Adams
- Block, blocked › arrhythmic
- Block, blocked › cardiac
- Block, blocked › conduction
- Block, blocked › heart
- Defect, defective › conduction (heart)
- Delay, delayed › conduction (cardiac) (ventricular)
- Disease, diseased › Adams-Stokes (-Morgagni) (syncope with heart block)
- Disease, diseased › Morgagni-Adams-Stokes (syncope with heart block)
- Disease, diseased › Stokes-Adams (syncope with heart block)
- Disorder (of) › conduction, heart
- Dropped heart beats
- Morgagni-Stokes-Adams syndrome
- Spens' syndrome (syncope with heart block)
- Stokes-Adams disease or syndrome
- Syndrome › Adams-Stokes (-Morgagni)
- Syndrome › Morgagni-Adams-Stokes
- Syndrome › Spen's
- Syndrome › Stokes (-Adams)
Nearby codes
I45.5 Other specified heart blockI45.6 Pre-excitation syndromeI45.8 Other specified conduction disordersI45.81 Long QT syndromeI45.89 Other specified conduction disordersI45.9 Conduction disorder, unspecified (this code)