- Entanglement, umbilical cord(s) 663.3
- Enteralgia 789.0
- Enteric - see condition
- Enteritis (acute) (catarrhal) (choleraic) (chronic) (congestive) (diarrheal) (exudative) (follicular) (hemorrhagic) (infantile) (lienteric) (noninfectious) (perforative) (phlegmonous) (presumed noninfectious) (pseudomembranous) 558.9
- Enteroarticular syndrome 099.3
- Enterobiasis 127.4
- Enterobius vermicularis 127.4
- Enterocele (see also Hernia) 553.9
- Enterocolitis - see also Enteritis
- Enterocystoma 751.5
- Enterogastritis - see Enteritis
- Enterogenous cyanosis 289.7
- Enterolith, enterolithiasis (impaction) 560.39
- Enteropathy 569.9
- Enteroperitonitis (see also Peritonitis) 567.9
- Enteroptosis 569.89
- Enterorrhagia 578.9
- Enterospasm 564.9
- Enterostenosis (see also Obstruction, intestine) 560.9
- Enterostomy status V44.4
- Enthesopathy 726.90
- Entrance, air into vein - see Embolism, air