I74 – Arterial embolism and thrombosis

ICD-10-CM 2027 diagnosis code · Diseases of arteries, arterioles and capillaries

Non-billable header

ICD-10-CM code I74

Code: I74 (claims format: I74)
Description: Arterial embolism and thrombosis
Billable: No – use a more specific code below
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 9. Diseases of the circulatory system (I00-I99)
Block: I70-I79 Diseases of arteries, arterioles and capillaries

Billable codes under I74

I74 is a header code and cannot be used on claims. Choose the most specific code:

I74.0 – Embolism and thrombosis of abdominal aortaHeader (more codes below)
I74.1 – Embolism and thrombosis of other and unspecified parts of aortaHeader (more codes below)
I74.2 – Embolism and thrombosis of arteries of the upper extremitiesBillable
I74.3 – Embolism and thrombosis of arteries of the lower extremitiesBillable
I74.4 – Embolism and thrombosis of arteries of extremities, unspecifiedBillable
I74.5 – Embolism and thrombosis of iliac arteryBillable
I74.8 – Embolism and thrombosis of other arteriesBillable
I74.9 – Embolism and thrombosis of unspecified arteryBillable

Notes for I74

Includes:

embolic infarction
embolic occlusion
thrombotic infarction
thrombotic occlusion

Excludes2 (not included here):

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)

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.-)

Frequently asked questions

What is ICD-10 code I74?

I74 is the ICD-10-CM code for arterial embolism and thrombosis, in the block I70-I79 (Diseases of arteries, arterioles and capillaries).

Is I74 a billable code?

No. I74 is a header code with more specific child codes; report one of the billable codes listed above.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.