ICD-10 I25.84
Billable / SpecificCoronary atherosclerosis due to calcified coronary lesion
About ICD-10-CM I25.84
ICD-10-CM code I25.84 represents Coronary atherosclerosis due to calcified coronary lesion. This is a billable/specific code in the Circulatory System chapter (block I25). The 2026 edition of ICD-10-CM I25.84 became effective on October 1, 2025.
Inclusion Terms / Approximate Synonyms
Clinical terms and conditions classified under I25.84. Per CMS ICD-10-CM Tabular 2026.
- Coronary atherosclerosis due to severely calcified coronary lesion
Coding Notes
Code First
- coronary atherosclerosis (I25.1-, I25.7-, I25.81-)
Medicare LCD Coverage for I25.84
Local Coverage Determinations (LCDs) from CMS MACs that list I25.84 as a covered diagnosis.
Showing top 10 of 454 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing I25.84.
1 Aetna
2 Cigna
5 Medicare
CPT Codes Commonly Billed with I25.84
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 I25.84 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 |
|---|---|---|
| I25.84 | 4144 | 00000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To I25.84
Other codes in section I20-I25 (Ischemic heart diseases).
ICD-10 I25.84, Billing FAQ
Is ICD-10 code I25.84 billable? +
Yes, I25.84 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
What other names or terms map to I25.84? +
ICD-10 I25.84 includes: Coronary atherosclerosis due to severely calcified coronary lesion.
What ICD-9 codes does I25.84 map to? +
Per CMS GEMs, I25.84 maps to ICD-9 codes: 4144. 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 May 31, 2026.
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