Convert ICD-9-CM Diagnosis 429.5 to ICD-10-CM

ICD-9-CM 429.5 converts approximately to:

2023 ICD-10-CM I51.1 Rupture of chordae tendineae, not elsewhere classified

Note: approximate conversions between ICD-9-CM codes and ICD-10-CM codes may require clinical interpretation in order to determine the most appropriate conversion code(s) for your specific coding situation.

Source: 2023 ICD-10-CM CMS General Equivalence Mappings.