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Q28.0

Arteriovenous malformation of precerebral vessels

Billable FY2026 2025-10-01 → 2026-09-30
Exclusions 7 never code together
Q28code
Excludes1
  • congenital aneurysm NOS (Q27.8)Q27.8
  • congenital coronary aneurysm (Q24.5)Q24.5
  • ruptured cerebral arteriovenous malformation (I60.8)I60.8
  • ruptured malformation of precerebral vessels (I72.0)I72.0
Excludes2
  • congenital peripheral aneurysm (Q27.8)Q27.8
  • congenital pulmonary aneurysm (Q25.79)Q25.79
  • congenital retinal aneurysm (Q14.1)Q14.1

Excludes1 — never code together. The excluded condition and this one are mutually exclusive.

Excludes2 — not included here, but the patient may have both. Code both when documented.

Instructional notes 1
Q28.0code
Inclusion terms
  • Congenital arteriovenous precerebral aneurysm (nonruptured)
Index entries leading here 2
  • Aneurysm (anastomotic) (artery) (cirsoid) (diffuse) (false) (fusiform) (multiple) (saccular) I72.9
    • arteriovenous (congenital) — see also Malformation, arteriovenous
      • precerebral vessels Q28.0
  • Malformation (congenital) — see also Anomaly
    • arteriovenous, aneurysmatic (congenital) Q27.30
      • precerebral vessels (nonruptured) Q28.0
Alongside this code 5 same parent — Q28
Q28.1 Other malformations of precerebral vessels Q28.2 Arteriovenous malformation of cerebral vessels Q28.3 Other malformations of cerebral vessels Q28.8 Oth congenital malformations of circulatory system Q28.9 Congenital malformation of circulatory system, unspecified
Additional references
AHA Coding Clinic® Licence required

Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.

Risk adjustment

Maps to no condition category in any loaded model.

Presence is a property of the code. Untick a model to hide it everywhere.

This code

Billable
yes
Code set
FY2026
Parent
Q28
Block
Q20-Q28
Siblings
5

Present FY2024–FY2027.