ICD-10 I35.0
Billable / SpecificNonrheumatic aortic (valve) stenosis
About ICD-10-CM I35.0
ICD-10-CM code I35.0 represents Nonrheumatic aortic (valve) stenosis. This is a billable/specific code in the Circulatory System chapter (block I35). The 2026 edition of ICD-10-CM I35.0 became effective on October 1, 2025.
Medicare LCD Coverage for I35.0
Local Coverage Determinations (LCDs) from CMS MACs that list I35.0 as a covered diagnosis.
Showing top 10 of 443 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing I35.0.
1 Aetna
2 Cigna
5 Medicare
CPT Codes Commonly Billed with I35.0
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
- 93306 Echocardiography — heart failure, cardiomyopathy, valvular disease Cardiovascular Disease
- 93306 Echo with Doppler — heart failure, cardiomyopathy, mitral/aortic/tricuspid valve disease, chest pain, dyspnea, CAD, pulmonary HTN, ASD, VSD, congenital valve Cardiology
- 93451 Right heart cath — CAD, native vessel disease, ischemic cardiomyopathy, unstable angina, MI, heart failure, valvular disease, chest pain Cardiology
- 93452 Left heart cath — same as right heart cath indications Cardiology
Convert I35.0 to ICD-9-CM
Per CMS General Equivalence Mappings (GEMs), useful for legacy data review and historical claim analysis.
| ICD-10 | ICD-9 | Mapping Flags |
|---|---|---|
| I35.0 | 4241 | 10000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To I35.0
Other codes in section I30-I5A (Other forms of heart disease).
ICD-10 I35.0, Billing FAQ
Is ICD-10 code I35.0 billable? +
Yes, I35.0 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
What CPT codes are commonly billed with I35.0? +
Procedures frequently paired with I35.0 include: 93306, 93306, 93451, 93452.
What ICD-9 codes does I35.0 map to? +
Per CMS GEMs, I35.0 maps to ICD-9 codes: 4241. Useful for legacy data review and historical claim analysis.
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Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on July 16, 2026.
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