1. ICD-10-CM Codes
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2. I00-I99 Diseases of the circulatory system
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3. I70-I79 Diseases of arteries, arterioles and capillaries
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4. I72- Other aneurysm
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5. 2021 ICD-10-CM Diagnosis Code I72.9

2021 ICD-10-CM Diagnosis Code I72.9

Aneurysm of unspecified site

2016 2017 2018 2019 2020 2021 Billable/Specific Code

• I72.9 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
• The 2021 edition of ICD-10-CM I72.9 became effective on October 1, 2020.
• This is the American ICD-10-CM version of I72.9 - other international versions of ICD-10 I72.9 may differ.

• Acute or subacute mycotic aneurysm
• Aneurysm of artery, other than aorta
• Dissecting aneurysm of artery
• False aneurysm of artery
• Mycotic aneurysm
• Mycotic aneurysm due to bacterial endocarditis
• Pseudoaneurysm
• Pseudoaneurysm of surgical arteriovenous fistula
• Surgical arteriovenous fistula pseudoaneurysm

• An aneurysm is a bulge or "ballooning" in the wall of an artery. Arteries are blood vessels that carry oxygen-rich blood from the heart to other parts of the body. If an aneurysm grows large, it can burst and cause dangerous bleeding or even death. Most aneurysms occur in the aorta, the main artery traveling from the heart through the chest and abdomen. Aneurysms also can happen in arteries in the brain, heart and other parts of the body. If an aneurysm in the brain bursts, it causes a stroke. Aneurysms can develop and become large before causing any symptoms. Often doctors can stop aneurysms from bursting if they find and treat them early. Medicines and surgery are the two main treatments for aneurysms.
• Bulging or ballooning in an area of an artery secondary to arterial wall weakening.
• Pathological outpouching or sac-like dilatation in the wall of any blood vessel (arteries or veins) or the heart (heart aneurysm). It indicates a thin and weakened area in the wall which may later rupture. Aneurysms are classified by location, etiology, or other characteristics.
• Pathological, blood-filled distension of blood vessel
• Protruding sac in the wall of a vein, artery, or heart, frequently caused by microbial infection; may present as pain, pressure on nearby organs, or cardiac weakening.

• 299 Peripheral vascular disorders with mcc
• 300 Peripheral vascular disorders with cc
• 301 Peripheral vascular disorders without cc/mcc

Convert I72.9 to ICD-9-CM

• 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
• 2017 (effective 10/1/2016): No change
• 2018 (effective 10/1/2017): No change
• 2019 (effective 10/1/2018): No change
• 2020 (effective 10/1/2019): No change
• 2021 (effective 10/1/2020): No change

• Aneurysm (anastomotic) (artery) (cirsoid) (diffuse) (false) (fusiform) (multiple) (saccular) I72.9
  • arteriosclerotic I72.9
  • infective I72.9
  • mycotic I72.9
  • racemose (peripheral) I72.9

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.