I72.9 – Aneurysm of unspecified site

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

Billable code

ICD-10-CM code I72.9

Code: I72.9 (claims format: I729)
Description: Aneurysm of unspecified site
Billable: Yes – valid for HIPAA-covered transactions
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
Parent codes: I72

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

I72 – Other aneurysm

Includes:

aneurysm (cirsoid) (false) (ruptured)

Excludes2 (not included here):

acquired aneurysm (I77.0)
aneurysm (of) aorta (I71.-)
aneurysm (of) arteriovenous NOS (Q27.3-)
carotid artery dissection (I77.71)
cerebral (nonruptured) aneurysm (I67.1)
coronary aneurysm (I25.4)
coronary artery dissection (I25.42)
dissection of artery NEC (I77.79)
dissection of precerebral artery, congenital (nonruptured) (Q28.1)
heart aneurysm (I25.3)
iliac artery dissection (I77.72)
precerebral artery, congential (nonruptured) (Q28.1)
pulmonary artery aneurysm (I28.1)
renal artery dissection (I77.73)
retinal aneurysm (H35.0)
ruptured cerebral aneurysm (I60.7)
varicose aneurysm (I77.0)
vertebral artery dissection (I77.74)

Index terms for I72.9

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in I72

I72.0 – Aneurysm of carotid arteryBillable
I72.1 – Aneurysm of artery of upper extremityBillable
I72.2 – Aneurysm of renal arteryBillable
I72.3 – Aneurysm of iliac arteryBillable
I72.4 – Aneurysm of artery of lower extremityBillable
I72.5 – Aneurysm of other precerebral arteriesBillable
I72.6 – Aneurysm of vertebral arteryBillable
I72.8 – Aneurysm of other specified arteriesBillable

Frequently asked questions

What is ICD-10 code I72.9?

I72.9 is the ICD-10-CM code for aneurysm of unspecified site, in the block I70-I79 (Diseases of arteries, arterioles and capillaries).

Is I72.9 a billable code?

Yes. I72.9 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does I72.9 belong to?

It belongs to category I72 – Other aneurysm.

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.