ICD-10 I25.1
Non-Billable HeaderAtherosclerotic heart disease of native coronary artery
About ICD-10-CM I25.1
ICD-10-CM code I25.1 represents Atherosclerotic heart disease of native coronary artery. This is a non-billable header code in the Circulatory System chapter (block I25). The 2026 edition of ICD-10-CM I25.1 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.
Inclusion Terms / Approximate Synonyms
Clinical terms and conditions classified under I25.1. Per CMS ICD-10-CM Tabular 2026.
- Atherosclerotic cardiovascular disease
- Coronary (artery) atheroma
- Coronary (artery) atherosclerosis
- Coronary (artery) disease
- Coronary (artery) sclerosis
Type 2 Excludes
Not included here, the excluded code is not part of I25.1, but a patient may have both conditions at the same time. Both codes may be coded together when applicable.
- atheroembolism (I75.-)
- atherosclerosis of coronary artery bypass graft(s) and transplanted heart (I25.7-)
Use Additional Code
When coding I25.1, also report these additional codes when applicable.
- code, if applicable, to identify:
- coronary atherosclerosis due to calcified coronary lesion (I25.84)
- coronary atherosclerosis due to lipid rich plaque (I25.83)
Medicare LCD Coverage for I25.1
Local Coverage Determinations (LCDs) from CMS MACs that list I25.1 as a covered diagnosis.
This doesn't mean the code isn't covered, it means no MAC has issued a Local Coverage Determination naming this specific code. Coverage may still apply under National Coverage Determinations or general medical-necessity rules.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing I25.1.
Our payer policy database covers Aetna, Cigna, Anthem, BCBS, Humana, and Medicare Advantage plans, but I25.1 doesn't currently appear in any indexed policy. The code may still be covered under standard plan benefits.
CPT Codes Commonly Billed with I25.1
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.
Codes Adjacent To I25.1
Other codes in section I20-I25 (Ischemic heart diseases).
ICD-10 I25.1, Billing FAQ
Is ICD-10 code I25.1 billable? +
No, I25.1 is a non-billable header code. Use a more specific child code from block I25 when submitting claims.
What other names or terms map to I25.1? +
ICD-10 I25.1 includes: Atherosclerotic cardiovascular disease; Coronary (artery) atheroma; Coronary (artery) atherosclerosis, and 2 more clinical synonyms.
What codes are Type 2 Excludes for I25.1? +
Type 2 Excludes (may be coded together when both conditions exist): atheroembolism (I75.-); atherosclerosis of coronary artery bypass graft(s) and transplanted heart (I25.7-)
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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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