- Elbow - see condition
- Electric
- Electrocution 994.8
- Electrolyte imbalance 276.9
- Elephant man syndrome 237.71
- Elephantiasis (nonfilarial) 457.1
- Elevated - see Elevation
- Elevation
- Elliptocytosis (congenital) (hereditary) 282.1
- Ellis-van Creveld disease or syndrome
- Ellison-Zollinger syndrome
- Elongation, elongated (congenital) - see also Distortion
- Elschnig bodies or pearls 366.51
- Emaciation (due to malnutrition) 261
- Emancipation disorder 309.22
- Embadomoniasis 007.8
- Embarrassment heart, cardiac - see Disease, heart
- Embedded tooth, teeth 520.6
- Embolic - see condition
- Embolism 444.9
- Embolization - see Embolism
- Embolus - see Embolism