ICD-10 I52
Billable / SpecificOther heart disorders in diseases classified elsewhere
About ICD-10-CM I52
ICD-10-CM code I52 represents Other heart disorders in diseases classified elsewhere. This is a billable/specific code in the Circulatory System chapter (block I52). The 2026 edition of ICD-10-CM I52 became effective on October 1, 2025.
Type 1 Excludes
Pure excludes, these codes can never be coded together with I52. The conditions are mutually exclusive (e.g., congenital vs acquired forms).
- heart disease (in):
- gonococcal infection (A54.83)
- meningococcal infection (A39.50)
- rheumatoid arthritis (M05.31)
- syphilis (A52.06)
Coding Notes
Code First
- underlying disease, such as:
- congenital syphilis (A50.5)
- mucopolysaccharidosis (E76.3)
- schistosomiasis (B65.0-B65.9)
Medicare LCD Coverage for I52
Local Coverage Determinations (LCDs) from CMS MACs that list I52 as a covered diagnosis.
Showing top 10 of 147 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing I52.
1 Cigna
5 Medicare
CPT Codes Commonly Billed with I52
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
- 83090 CMS LCD: Billing and Coding: MolDX: Biomarkers in Cardiovascular Risk Assessment CMS LCD
- 83700 CMS LCD: Billing and Coding: MolDX: Biomarkers in Cardiovascular Risk Assessment CMS LCD
- 82172 CMS LCD: Billing and Coding: MolDX: Biomarkers in Cardiovascular Risk Assessment CMS LCD
- 86141 CMS LCD: Billing and Coding: MolDX: Biomarkers in Cardiovascular Risk Assessment CMS LCD
- 83701 CMS LCD: Billing and Coding: MolDX: Biomarkers in Cardiovascular Risk Assessment CMS LCD
- 83719 CMS LCD: Billing and Coding: MolDX: Biomarkers in Cardiovascular Risk Assessment CMS LCD
- 83721 CMS LCD: Billing and Coding: MolDX: Biomarkers in Cardiovascular Risk Assessment CMS LCD
- 83698 CMS LCD: Billing and Coding: MolDX: Biomarkers in Cardiovascular Risk Assessment CMS LCD
- 83695 CMS LCD: Billing and Coding: MolDX: Biomarkers in Cardiovascular Risk Assessment CMS LCD
- 83704 CMS LCD: Billing and Coding: MolDX: Biomarkers in Cardiovascular Risk Assessment CMS LCD
Convert I52 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 |
|---|---|---|
| I52 | 4299 | 10000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To I52
Other codes in section I30-I5A (Other forms of heart disease).
ICD-10 I52, Billing FAQ
Is ICD-10 code I52 billable? +
Yes, I52 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
What codes are Type 1 Excludes for I52? +
Type 1 Excludes (never code together with I52): heart disease (in):; gonococcal infection (A54.83); meningococcal infection (A39.50)
What CPT codes are commonly billed with I52? +
Procedures frequently paired with I52 include: 83090, 83700, 82172, 86141, 83701.
What ICD-9 codes does I52 map to? +
Per CMS GEMs, I52 maps to ICD-9 codes: 4299. 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 August 30, 2026.
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