- Anastomosis - aneurysmal - see Aneurysm
- arteriovenous, congenital NEC (see also Anomaly, arteriovenous) 747.60- ruptured, of brain (see also Hemorrhage, subarachnoid) 430
 
- intestinal 569.89- complicated NEC 997.4- involving urinary tract 997.5
 
 
- retinal and choroidal vessels 743.58