ICD-10 I74
Non-Billable HeaderArterial embolism and thrombosis
About ICD-10-CM I74
ICD-10-CM code I74 represents Arterial embolism and thrombosis. This is a non-billable header code in the Circulatory System chapter (block I74). The 2026 edition of ICD-10-CM I74 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 2 Excludes
Not included here, the excluded code is not part of I74, but a patient may have both conditions at the same time. Both codes may be coded together when applicable.
- atheroembolism (I75.-)
- basilar embolism and thrombosis (I63.0-I63.2, I65.1)
- carotid embolism and thrombosis (I63.0-I63.2, I65.2)
- cerebral embolism and thrombosis (I63.3-I63.5, I66.-)
- coronary embolism and thrombosis (I21-I25)
- mesenteric embolism and thrombosis (K55.0-)
- ophthalmic embolism and thrombosis (H34.-)
- precerebral embolism and thrombosis NOS (I63.0-I63.2, I65.9)
- pulmonary embolism and thrombosis (I26.-)
- renal embolism and thrombosis (N28.0)
- retinal embolism and thrombosis (H34.-)
- septic embolism and thrombosis (I76)
- vertebral embolism and thrombosis (I63.0-I63.2, I65.0)
Includes
- embolic infarction
- embolic occlusion
- thrombotic infarction
- thrombotic occlusion
Coding Notes
Code First
- embolism and thrombosis complicating abortion or ectopic or molar pregnancy (O00-O07, O08.2)
- embolism and thrombosis complicating pregnancy, childbirth and the puerperium (O88.-)
Medicare LCD Coverage for I74
Local Coverage Determinations (LCDs) from CMS MACs that list I74 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 I74.
Our payer policy database covers Aetna, Cigna, Anthem, BCBS, Humana, and Medicare Advantage plans, but I74 doesn't currently appear in any indexed policy. The code may still be covered under standard plan benefits.
CPT Codes Commonly Billed with I74
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
- 75820 Duplex scan of the extremities for peripheral artery disease Cardiovascular Disease
- 75822 Duplex scan of the carotid arteries for stroke evaluation Cardiovascular Disease
- 75860 Angiography of the extremities for peripheral artery disease Cardiovascular Disease
- 75861 Angiography of the carotid arteries for stroke evaluation Cardiovascular Disease
- 75862 Angiography of the abdominal aorta for aneurysm evaluation Cardiovascular Disease
- 75863 Angiography of the thoracic aorta for aneurysm evaluation Cardiovascular Disease
Codes Adjacent To I74
Other codes in section I70-I79 (Diseases of arteries, arterioles and capillaries).
ICD-10 I74, Billing FAQ
Is ICD-10 code I74 billable? +
No, I74 is a non-billable header code. Use a more specific child code from block I74 when submitting claims.
What codes are Type 2 Excludes for I74? +
Type 2 Excludes (may be coded together when both conditions exist): atheroembolism (I75.-); basilar embolism and thrombosis (I63.0-I63.2, I65.1); carotid embolism and thrombosis (I63.0-I63.2, I65.2)
What CPT codes are commonly billed with I74? +
Procedures frequently paired with I74 include: 75820, 75822, 75860, 75861, 75862.
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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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