I51.1
ICD-10BillableRupture of chordae tendineae, not elsewhere classified
Official ICD-10-CM descriptor (FY2026)
Rupture of chordae tendineae, not elsewhere classified
I51.1 is valid for submission on a claim — CMS flags it as a billable, specific code.
Excludes1
Not coded here. An Excludes1 code should never be reported at the same time as the code above it.
- rupture of chordae tendineae as current complication following acute myocardial infarction (I23.4)
Related codes in I51
Where this code sits
- Parent code
- I51
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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.