- Ear Tubes
- ECG or EKG Testing
- Echocardiogram
- ECT
- EEGTesting
- Egg Freezing
- Elbow Joint Replacement
- Electrogastrogram
- Electromyography (EMG)
- Electroretinography (ERG)
- Endometrial Ablation
- Endoscopic Sleeve Gastroplasty
- Endoscopic Ultrasound
- Endotracheal Intubation
- Epidural Steroid Injection (ESI)
- Epilepsy Surgery
- Episiotomy
- ERCP
- Erythropoietin (EPO) & The EPO Test
- Esophageal Manometry
- Esophageal Ph Monitoring
- Esophagectomy
- ESR
- Essure
- Exercise Stress Test
- Extratemporal Cortical Resection
- Eye Exam
- Eye Pressure Measurement (Tonometry)