ICD-10-CM category
I45: Other conduction disorders
Codes under I45 (Other conduction disorders). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| I45.0 | Right fascicular block | ✓ |
| I45.1 | Other and unspecified 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 | — |
| I45.9 | Conduction disorder, unspecified | ✓ |
| I45.10 | Unspecified right bundle-branch block | ✓ |
| I45.19 | Other right bundle-branch block | ✓ |
| I45.81 | Long QT syndrome | ✓ |
| I45.89 | Other specified conduction disorders | ✓ |
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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