I45
ICD-10Non-billable categoryOther conduction disorders
Official ICD-10-CM descriptor (FY2026)
Other conduction disorders
I45 is a category heading, not a billable code. CMS does not accept it on a claim; report one of the more specific codes beneath it.
More specific codes under I45
- I45.0Right fascicular block
- I45.1Other and unspecified right bundle-branch blockcategory
- I45.2Bifascicular block
- I45.3Trifascicular block
- I45.4Nonspecific intraventricular block
- I45.5Other specified heart block
- I45.6Pre-excitation syndrome
- I45.8Other specified conduction disorderscategory
- I45.9Conduction disorder, unspecified
Where this code sits
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ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.