ICD-10 I24.8
Non-Billable HeaderOther forms of acute ischemic heart disease
About ICD-10-CM I24.8
ICD-10-CM code I24.8 represents Other forms of acute ischemic heart disease. This is a non-billable header code in the Circulatory System chapter (block I24). The 2026 edition of ICD-10-CM I24.8 became effective on October 1, 2025. Non-billable codes cannot be used as a primary or secondary diagnosis on a claim, use a more specific child code instead.
Type 1 Excludes
Pure excludes, these codes can never be coded together with I24.8. The conditions are mutually exclusive (e.g., congenital vs acquired forms).
- myocardial infarction due to demand ischemia (I21.A1)
Medicare LCD Coverage for I24.8
Local Coverage Determinations (LCDs) from CMS MACs that list I24.8 as a covered diagnosis.
Showing top 10. Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing I24.8.
1 Medicare
CPT Codes Commonly Billed with I24.8
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
We don't have CPT pairings indexed for this specific code yet. Use the CPT search above to find common procedures, or check your payer's published medical policy for code-specific guidance.
Convert I24.8 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 |
|---|---|---|
| I24.8 | 41189 | 10000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To I24.8
Other codes in section I20-I25 (Ischemic heart diseases).
ICD-10 I24.8, Billing FAQ
Is ICD-10 code I24.8 billable? +
No, I24.8 is a non-billable header code. Use a more specific child code from block I24 when submitting claims.
What codes are Type 1 Excludes for I24.8? +
Type 1 Excludes (never code together with I24.8): myocardial infarction due to demand ischemia (I21.A1)
What ICD-9 codes does I24.8 map to? +
Per CMS GEMs, I24.8 maps to ICD-9 codes: 41189. 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 June 1, 2026.
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