ICD-10 I25.5
Billable / SpecificIschemic cardiomyopathy
About ICD-10-CM I25.5
ICD-10-CM code I25.5 represents Ischemic cardiomyopathy. This is a billable/specific code in the Circulatory System chapter (block I25). The 2026 edition of ICD-10-CM I25.5 became effective on October 1, 2025.
Type 2 Excludes
Not included here, the excluded code is not part of I25.5, but a patient may have both conditions at the same time. Both codes may be coded together when applicable.
- coronary atherosclerosis (I25.1-, I25.7-)
Medicare LCD Coverage for I25.5
Local Coverage Determinations (LCDs) from CMS MACs that list I25.5 as a covered diagnosis.
Showing top 10 of 754 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing I25.5.
5 Cigna
5 Medicare
CPT Codes Commonly Billed with I25.5
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
- 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
- 93458 Coronary angiography — CAD, unstable angina, MI, heart failure, chest pain, prior bypass graft evaluation Cardiology
- 92928 PCI with stent — CAD native vessel, unstable angina, STEMI/NSTEMI all arteries, ischemic cardiomyopathy, bypass graft disease Interventional Cardiology
- G0448 CMS LCD: Billing and Coding: Implantable Automatic Defibrillators CMS LCD
- 33216 CMS LCD: Billing and Coding: Implantable Automatic Defibrillators CMS LCD
- 33230 CMS LCD: Billing and Coding: Implantable Automatic Defibrillators CMS LCD
- 33244 CMS LCD: Billing and Coding: Implantable Automatic Defibrillators CMS LCD
- 33264 CMS LCD: Billing and Coding: Implantable Automatic Defibrillators CMS LCD
- 33263 CMS LCD: Billing and Coding: Implantable Automatic Defibrillators CMS LCD
Convert I25.5 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 |
|---|---|---|
| I25.5 | 4148 | 10000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To I25.5
Other codes in section I20-I25 (Ischemic heart diseases).
ICD-10 I25.5, Billing FAQ
Is ICD-10 code I25.5 billable? +
Yes, I25.5 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
What codes are Type 2 Excludes for I25.5? +
Type 2 Excludes (may be coded together when both conditions exist): coronary atherosclerosis (I25.1-, I25.7-)
What CPT codes are commonly billed with I25.5? +
Procedures frequently paired with I25.5 include: 93451, 93452, 93458, 92928, G0448.
What ICD-9 codes does I25.5 map to? +
Per CMS GEMs, I25.5 maps to ICD-9 codes: 4148. 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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