429 Ill-defined descriptions and complications of heart disease (429.0-429.9) ICD-9-CM
The 429.0-429.9 block classified 429 ill-defined descriptions and complications of heart disease with 14 legacy diagnosis codes. None remain valid for claim submission; each code below links to its reference page with the official ICD-10-CM replacement under the CMS General Equivalence Mappings.
Retired Code Set
ICD-9-CM stopped being valid for U.S. claims with dates of service on or after October 1, 2015, when ICD-10-CM replaced it. Use this index for historical lookups and crosswalking; for current coding, start from the ICD-10-CM codes list or the ICD-9 / ICD-10 converter.
Legacy Codes in the 429.0-429.9 Block 14 codes
None of these codes remain valid for claim submission. Each code page shows its ICD-10-CM replacement under the CMS General Equivalence Mappings.
- 429.0 Myocarditis NOS
- 429.1 Myocardial degeneration
- 429.2 Ascvd
- 429.3 Cardiomegaly
- 429.4 Hrt dis postcardiac surg
- 429.5 Chordae tendinae rupture
- 429.6 Papillary muscle rupture
- 429.71 Acq cardiac septl defect
- 429.79 Other sequelae of MI NEC
- 429.81 Papillary muscle dis NEC
- 429.82 Hyperkinetic heart dis
- 429.83 Takotsubo syndrome
- 429.89 Ill-defined hrt dis NEC
- 429.9 Heart disease NOS
Questions About This Page
Are the 429.0-429.9 codes still billable?
No. Every code in this block became invalid for U.S. claims after September 30, 2015. Each code page linked above shows the ICD-10-CM replacement CMS assigned in the General Equivalence Mappings, and the ICD-9 / ICD-10 converter translates any of them directly.
What did the 429.0-429.9 block classify?
The block classified 429 ill-defined descriptions and complications of heart disease with 14 codes in the final ICD-9-CM release. It sat under Diseases of the circulatory system (390–459) in the legacy hierarchy.
Related References
Source: final CMS ICD-9-CM release (version date October 1, 2014). Retired from U.S. claims after September 30, 2015.
