ICD-10-CM · FY 2026 APRIL UPDATE
I45
Other conduction disorders
Diagnosis reference
Nonbillable categoryThis entry is a category or subcategory. Choose the appropriate billable descendant based on the clinical documentation.
Effective periodOctober 1, 2026–September 30, 2027
SourceCMS ICD-10-CM order file
ClassificationDiagnosis · clinical modification
Related entries
Up to 30 descendants in this category
| CODE | DESCRIPTION | TYPE |
|---|---|---|
| I45.0 | Right fascicular block | Billable |
| I45.1 | Other and unspecified right bundle-branch block | Category |
| I45.10 | Unspecified right bundle-branch block | Billable |
| I45.19 | Other right bundle-branch block | Billable |
| I45.2 | Bifascicular block | Billable |
| I45.3 | Trifascicular block | Billable |
| I45.4 | Nonspecific intraventricular block | Billable |
| I45.5 | Other specified heart block | Billable |
| I45.6 | Pre-excitation syndrome | Billable |
| I45.8 | Other specified conduction disorders | Category |
| I45.81 | Long QT syndrome | Billable |
| I45.89 | Other specified conduction disorders | Billable |
| I45.9 | Conduction disorder, unspecified | Billable |
Use the complete reference
This reference does not reproduce the full tabular hierarchy, inclusion notes, Excludes1/2 notes, sequencing instructions, or seventh-character rules. Review the official tables and coding guidelines.
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