ICD-10-CM 2027
ICD-10 code for Aneurysmal varix
From the official ICD-10-CM alphabetic index entry “Varix (lower limb) › aneurysmal”. Page updated September 29, 2026.
About coding Aneurysmal varix
The ICD-10-CM code for Aneurysmal varix is I77.0 (Arteriovenous fistula, acquired).
Within I77 (other disorders of arteries and arterioles), I77.0 is specifically for arteriovenous fistula, acquired. Related codes cover stricture of artery (I77.1), rupture of artery (I77.2), arterial fibromuscular dysplasia (I77.3), celiac artery compression syndrome (I77.4), necrosis of artery (I77.5), arteritis, unspecified (I77.6), other arterial dissection (I77.7), other specified disorders of arteries and arterioles (I77.8) and 1 more.
Don't report I77.0 together with the conditions in its Excludes1 note: arteriovenous aneurysm NOS (Q27.3-), presence of arteriovenous shunt (fistula) for dialysis (Z99.2) and traumatic - see injury of blood vessel by body region.
The conditions in its Excludes2 note aren't part of I77.0, but may be coded alongside it if the patient has both: cerebral (I67.1) and coronary (I25.4).
Don't confuse with (Excludes1 for I77.0)
Common questions about Aneurysmal varix ICD-10 codes
What is the ICD-10 code for Aneurysmal varix?
- I77.0 — Arteriovenous fistula, acquired.
Is I77.0 billable?
- Yes. I77.0 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can I77.0 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict I77.0 as a principal diagnosis.
Is I77.0 a CC or MCC?
- No. I77.0 is neither a CC nor an MCC under MS-DRG v44.0.