I77.0 Arteriovenous fistula, acquired

Billable ICD-10-CM code, FY2026.

Applicable to

• Aneurysmal varix
• Arteriovenous aneurysm, acquired

Excludes1 (never code together)

• arteriovenous aneurysm NOS (Q27.3-)
• presence of arteriovenous shunt (fistula) for dialysis (Z99.2)
• traumatic - see injury of blood vessel by body region

Excludes2 (not included here)

• cerebral (I67.1)
• coronary (I25.4)

Applies from I77 Other disorders of arteries and arterioles

Excludes2 (not included here)

• collagen (vascular) diseases (M30-M36)
• hypersensitivity angiitis (M31.0)
• pulmonary artery (I28.-)

Risk adjustment (HCC)

• CMS-HCC V22: HCC 108 — Vascular Disease
• ESRD V24: HCC 108

MS-DRG index

Defines the logic of DRG(s) 299-301 in MDC 05.

Approximate ICD-9-CM (GEMs)

• 447.0 Arteriovenous fistula, acquired

Code annotations containing back-references to I77.0

Back-references to I77.0

• Type 2 Excludes: I72 Other aneurysm ("acquired aneurysm (I77.0)")
• Type 2 Excludes: I72 Other aneurysm ("varicose aneurysm (I77.0)")
• Type 1 Excludes: Q27.3 Arteriovenous malformation (peripheral) ("acquired arteriovenous aneurysm (I77.0)")

Diagnosis Index entries for I77.0

• Aneurysm (anastomotic) (artery) (cirsoid) (diffuse) (false) (fusiform) (multiple) (saccular) › arteriovenous (congenital) › acquired
• Aneurysm (anastomotic) (artery) (cirsoid) (diffuse) (false) (fusiform) (multiple) (saccular) › arteriovenous (congenital) › specified site NEC › acquired
• Fistula (cutaneous) › arteriovenous (acquired) (nonruptured)
• Varicose › aneurysm (ruptured)
• Varix (lower limb) › aneurysmal

Nearby codes

• I77 Other disorders of arteries and arterioles
• I77.0 Arteriovenous fistula, acquired (this code)
• I77.1 Stricture of artery
• I77.2 Rupture of artery
• I77.3 Arterial fibromuscular dysplasia
• I77.4 Celiac artery compression syndrome
• I77.5 Necrosis of artery