ICD-10-CM 2027
ICD-10 code for artery embolism
Embolism and thrombosis of unspecified artery
From the official ICD-10-CM alphabetic index entry “Embolism (multiple) (paradoxical) › artery”. Page updated September 29, 2026.
About coding artery embolism
The ICD-10-CM code for artery embolism is I74.9 (Embolism and thrombosis of unspecified artery). The official index lists 19 more specific codes, so check the documentation for details such as type, cause, site or severity before settling on I74.9.
Within I74, choose I74.9 (unspecified artery) only when documentation doesn't support a more specific option: abdominal aorta (I74.0), other and unspecified parts of aorta (I74.1), arteries of the upper extremities (I74.2), arteries of the lower extremities (I74.3), arteries of extremities, unspecified (I74.4), iliac artery (I74.5) and other arteries (I74.8).
Code first: embolism and thrombosis complicating abortion or ectopic or molar pregnancy (O00-O07, O08.2) and embolism and thrombosis complicating pregnancy, childbirth and the puerperium (O88.-).
As a secondary diagnosis it is a CC (complication or comorbidity), which can move an inpatient stay into the "with CC" MS-DRG of its family, unless the principal diagnosis excludes it.
More specific artery embolism codes (official index)
- auditory, internal I65.8 — Occlusion and stenosis of other precerebral arteries
- basilar
- carotid (common) (internal)
- cerebellar (anterior inferior) (posterior inferior) (superior) I66.3 — Occlusion and stenosis of cerebellar arteries
- cerebral
- choroidal (anterior) I65.8 — Occlusion and stenosis of other precerebral arteries
- communicating posterior I65.8 — Occlusion and stenosis of other precerebral arteries
- coronary
- not resulting in infarction I24.0 — Acute coronary thrombosis not resulting in myocardial infarction
- extremity I74.4 — Embolism and thrombosis of arteries of extremities, unspecified
- lower I74.3 — Embolism and thrombosis of arteries of the lower extremities
- upper I74.2 — Embolism and thrombosis of arteries of the upper extremities
- hypophyseal I65.8 — Occlusion and stenosis of other precerebral arteries
- iliac I74.5 — Embolism and thrombosis of iliac artery
- limb I74.4 — Embolism and thrombosis of arteries of extremities, unspecified
- lower I74.3 — Embolism and thrombosis of arteries of the lower extremities
- upper I74.2 — Embolism and thrombosis of arteries of the upper extremities
- mesenteric (with gangrene) K55.059 — Acute (reversible) ischemia of intestine, part and extent unspecified
- ophthalmic
- peripheral I74.4 — Embolism and thrombosis of arteries of extremities, unspecified
- pontine I65.8 — Occlusion and stenosis of other precerebral arteries
- precerebral
- pulmonary
- renal N28.0 — Ischemia and infarction of kidney
- retinal
- septic I76 — Septic arterial embolism
- specified NEC I74.8 — Embolism and thrombosis of other arteries
- vertebral
Common questions about artery embolism ICD-10 codes
What is the ICD-10 code for artery embolism?
- I74.9 — Embolism and thrombosis of unspecified artery. More specific codes apply when the documentation supports them: I65.8, I66.3, I65.8, I65.8 and others below.
What is the ICD-10 code for cerebellar artery embolism?
- I66.3 — Occlusion and stenosis of cerebellar arteries.
What is the ICD-10 code for choroidal artery embolism?
- I65.8 — Occlusion and stenosis of other precerebral arteries.
What is the ICD-10 code for communicating posterior artery embolism?
- I65.8 — Occlusion and stenosis of other precerebral arteries.
What is the ICD-10 code for extremity artery embolism?
- I74.4 — Embolism and thrombosis of arteries of extremities, unspecified.
What is the ICD-10 code for hypophyseal artery embolism?
- I65.8 — Occlusion and stenosis of other precerebral arteries.
What is the ICD-10 code for iliac artery embolism?
- I74.5 — Embolism and thrombosis of iliac artery.
Is I74.9 billable?
- Yes. I74.9 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can I74.9 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict I74.9 as a principal diagnosis.
Is I74.9 a CC or MCC?
- I74.9 is a CC (complication or comorbidity) under MS-DRG v44.0, unless excluded by the principal diagnosis.