I51
Complications and ill-defined descriptions of heart disease
Choose the additional character
I51 needs more characters to be billable. Pick the specific code below.
- I51.0Cardiac septal defect, acquiredBillable
- I51.1Rupture of chordae tendineae, not elsewhere classifiedBillable
- I51.2Rupture of papillary muscle, not elsewhere classifiedBillable
- I51.3Intracardiac thrombosis, not elsewhere classifiedBillable
- I51.4Myocarditis, unspecifiedBillable
- I51.5Myocardial degenerationBillable
- I51.7CardiomegalyBillable
- I51.8Other ill-defined heart diseasesMore levels
- I51.9Heart disease, unspecifiedBillable
This code does not map to a risk-adjusting HCC in the loaded models.
Coding notes
Excludes 1 never coded together · Excludes 2 may co-exist
heart disease specified as rheumatic (I00-I09)
certain conditions originating in the perinatal period (P04-P96) certain infectious and parasitic diseases (A00-B99) complications of pregnancy, childbirth and the puerperium (O00-O9A) congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99) endocrine, nutritional and metabolic diseases (E00-E88) injury, poisoning and certain other consequences of external causes (S00-T88) neoplasms (C00-D49) symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94) systemic connective tissue disorders (M30-M36) transient cerebral ischemic attacks and related syndromes (G45.-)
Official Guidelines for I51
FY 2026 ›Sections that reference I51
Sections whose FY 2026 text names I51, its I51 category, or a range containing it — the chapter guidance above is the authoritative source.