I77.0 Arteriovenous fistula, acquired

✓ Billable ICD-10-CM 2026
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The ICD-10-CM code for Arteriovenous fistula, acquired is I77.0 (FY2026). It is a billable, claim-ready diagnosis code.

Classification

Section
I70-I79: Diseases of arteries, arterioles and capillaries (I70-I79)
Category I77
27 codes (23 billable)
FY2026 Status
Stable since FY2024

Also Known As

ICD-10-CM Alphabetic Index entries that lead to I77.0:

  • Varix (lower limb) › aneurysmal
  • Fistula (cutaneous) › arteriovenous (acquired) (nonruptured)
  • Varicose › aneurysm (ruptured)
  • 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
Excludes1
Not coded here. These conditions should NOT be coded together with I77.0.
  • 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. These conditions are coded elsewhere but may be coded together if applicable.
  • cerebral (I67.1)
  • coronary (I25.4)

Inclusion Terms

  • Aneurysmal varix
  • Arteriovenous aneurysm, acquired

U.S. Hospital Utilization

  • An estimated 4,095 U.S. inpatient stays in 2023 included I77.0 among the documented diagnoses.
  • 1,165 stays listed it as the principal diagnosis.

Source: National Inpatient Sample (NIS), Healthcare Cost and Utilization Project (HCUP), Agency for Healthcare Research and Quality, 2016–2023. National survey-weighted estimates.

Official Coding Guidelines

Presumed relationship due to Index term “with”

The classification presumes a causal relationship between hypertension and heart involvement and between hypertension and kidney involvement, as the two conditions are linked by the term “with” in the Alphabetic Index. These conditions should be coded as related even in the absence of provider documentation explicitly linking them, unless the documentation clearly states the conditions are unrelated.

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.9.a
Provider must link conditions not specifically indexed as related

For hypertension and conditions not specifically linked by relational terms such as “with,” “associated with” or “due to” in the classification, provider documentation must link the conditions in order to code them as related.

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.9.a

Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026

References

Related Codes

Parent Code

I77 Other disorders of arteries and arterioles

Related Codes in I77

I77 Other disorders of arteries and arterioles 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 I77.6 Arteritis, unspecified I77.7 Other arterial dissection I77.70 Dissection of unspecified artery I77.71 Dissection of carotid artery I77.72 Dissection of iliac artery I77.73 Dissection of renal artery I77.74 Dissection of vertebral artery I77.75 Dissection of other precerebral arteries I77.76 Dissection of artery of upper extremity I77.77 Dissection of artery of lower extremity I77.79 Dissection of other specified artery I77.8 Other specified disorders of arteries and arterioles I77.81 Aortic ectasia I77.810 Thoracic aortic ectasia
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Reviewed by Prajwal Shrestha, CPC, CRC
Certified Professional Coder (CPC) and Certified Risk Adjustment Coder (CRC) · AAPC Member ID 01997614 · About · Editorial policy · Content last reviewed: 2025-10-01

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