ICD-10-CM
ICD-10 code for Aneurysm (anastomotic) (artery) (cirsoid) (diffuse) (false) (fusiform) (multiple) (saccular) basilar (trunk): I72.5
The ICD-10-CM index points "Aneurysm (anastomotic) (artery) (cirsoid) (diffuse) (false) (fusiform) (multiple) (saccular) basilar (trunk)" to I72.5, Aneurysm of other precerebral arteries. I72.5 is a billable code.
Source: CDC ICD-10-CM FY2027 Alphabetic Index file dated June 16, 2026. Publisher page
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More specific codes in I72
A header groups codes and is not billed. A billable code is one you can report.
- I72Other aneurysmHeader
- I72.0Aneurysm of carotid arteryBillable
- I72.1Aneurysm of artery of upper extremityBillable
- I72.2Aneurysm of renal arteryBillable
- I72.3Aneurysm of iliac arteryBillable
- I72.4Aneurysm of artery of lower extremityBillable
- I72.5Aneurysm of other precerebral arteriesBillable
- I72.6Aneurysm of vertebral arteryBillable
- I72.8Aneurysm of other specified arteriesBillable
- I72.9Aneurysm of unspecified siteBillable
Excludes2
Excludes2 means the other condition can be reported with this one when both are documented.
From I72. A note on a category applies to every code under it.
- I77.0Acquired aneurysm
- I71.-Aneurysm (of) aorta
- Q27.3-Aneurysm (of) arteriovenous NOS
- I77.71Carotid artery dissection
- I67.1Cerebral (nonruptured) aneurysm
- I25.4Coronary aneurysm
- I25.42Coronary artery dissection
- I77.79Dissection of artery NEC
- Q28.1Dissection of precerebral artery, congenital (nonruptured)
- I25.3Heart aneurysm
- I77.72Iliac artery dissection
- Q28.1Precerebral artery, congential (nonruptured)
- I28.1Pulmonary artery aneurysm
- I77.73Renal artery dissection
- H35.0Retinal aneurysm
- I60.7Ruptured cerebral aneurysm
- I77.0Varicose aneurysm
- I77.74Vertebral artery dissection
Related conditions
Related pages
- I72.5 code detailsNotes, nearby codes, CMS-HCC group
- Category I72Every code under it
- Chapter 9Diseases of the circulatory system
- ICD-10 codes by conditionA to Z
- Check a list of ICD-10 codes
- Denial code CO-11Diagnosis does not support the procedure
- Denial code CO-146Diagnosis invalid for the date of service
- HCPCS Level II code lookup
Questions
What is the ICD-10 code for Aneurysm (anastomotic) (artery) (cirsoid) (diffuse) (false) (fusiform) (multiple) (saccular) basilar (trunk)?
The ICD-10-CM index points "Aneurysm (anastomotic) (artery) (cirsoid) (diffuse) (false) (fusiform) (multiple) (saccular) basilar (trunk)" to I72.5, Aneurysm of other precerebral arteries. I72.5 is a billable code.
Is I72.5 billable?
Yes. I72.5 is a billable code in the FY2027 ICD-10-CM file. Use a more specific code when the record documents one.
What documentation notes apply to I72.5?
The CDC tabular list gives 23 Excludes2 notes (may be coded together when both are documented) for I72.5 and the categories above it. They are listed on this page.
What chapter is I72.5 in?
Chapter 9. Diseases of the circulatory system.
When do ICD-10-CM codes change?
Every October 1, with the new fiscal year file. Some years add April 1 updates. This page uses the FY2027 file, effective October 1, 2026.