I74.4

I74.4: Embolism and thrombosis of arteries of extremities, unspecified

Billable / specific codeICD-10-CM

I74.4 is a billable, specific ICD-10-CM code for embolism and thrombosis of arteries of extremities, unspecified. It is valid for submission on a claim.

Check I74.4 with the rest of the claim: free scrubber

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

Peripheral arterial embolism NOS

Excludes2 inherited from the categories above I74.4

Not part of this code, but both may be coded when both are present.

Written on I74: Arterial embolism and thrombosis

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)

Risk adjustment

I74.4 risk-adjusts. Under the CMS-HCC V28 model it maps to this category:

HCC 264 Vascular Disease with Complications0.455 RAF

Coefficient shown for the Community Non-dual Aged segment. A higher HCC in the same hierarchy will suppress this one, so capturing it does not always add score. Look up the whole chart to see which of its HCCs the hierarchy would zero.

Medicare coverage

I74.4 is named in 10 Medicare coverage policies: 10 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

A52868Billing and Coding: Transesophageal Echocardiography (TEE)
A56697Billing and Coding: Non-Invasive Vascular Studies
A56775Billing and Coding: Magnetic Resonance Angiography
A56781Billing and Coding: Transthoracic Echocardiography (TTE)

Alphabetic index entries that lead here

Embolism›peripheral artery NOS
Thrombosis, thrombotic›peripheral arteries
Embolism›artery›extremity
Embolism›artery›limb
Embolism›artery›peripheral
Thrombosis, thrombotic›artery, arteries›limb
Occlusion, occluded›artery›peripheral›thrombotic or embolic

Code history

Unchanged in every release from FY2024 to FY2027.