- Embolization - see Embolism
- Embolus - see Embolism
- Embryoma (M9080/1) - see also Neoplasm, by site, uncertain behavior
- Embryonic
- Embryopathia NEC 759.9
- Embryotomy, fetal 763.89
- Embryotoxon 743.43
- Emesis - see also Vomiting
- Emissions, nocturnal (semen) 608.89
- Emotional
- Emotionality, pathological 301.3
- Emotogenic disease (see also Disorder, psychogenic) 306.9
- Emphysema (atrophic) (centriacinar) (centrilobular) (chronic) (diffuse) (essential) (hypertrophic) (interlobular) (lung) (obstructive) (panlobular) (paracicatricial) (paracinar) (postural) (pulmonary) (senile) (subpleural) (traction) (unilateral) (unilobular) (vesicular) 492.8
- Employment examination (certification) V70.5
- Empty sella (turcica) syndrome 253.8
- Empyema (chest) (diaphragmatic) (double) (encapsulated) (general) (interlobar) (lung) (medial) (necessitatis) (perforating chest wall) (pleura) (pneumococcal) (residual) (sacculated) (streptococcal) (supradiaphragmatic) 510.9
- Enameloma 520.2
- Encephalitis (bacterial) (chronic) (hemorrhagic) (idiopathic) (nonepidemic) (spurious) (subacute) 323.9
- Encephalocele 742.0
- Encephalocystocele 742.0
- Encephalomalacia (brain) (cerebellar) (cerebral) (cerebrospinal) (see also Softening, brain) 434.9
- Encephalomeningitis - see Meningoencephalitis