Surgeries & Procedures
- OA - knee replacement
- Obesity - gastric banding
- Obesity surgery - gastric bypass
- Obstructive sleep apnea - uvulopalaplasty
- Obturator sling
- Off-pump coronary artery bypass
- Omphalocele repair
- OnabotulinumtoxinA - larynx
- OnabotulinumtoxinA-larynx
- OPCAB
- Open browlift
- Open distal pancreatectomy and splenectomy
- Open gallbladder removal
- Open heart surgery
- Open nephrectomy
- Open prostatectomy
- Open retropubic colposuspension
- Operative hysteroscopy
- Oral cancer - neck dissection
- Orbital-craniofacial surgery
- Orchidopexy
- Orchiopexy
- Orofacial cleft
- Orthotopic liver transplant
- OSA - uvulopalaplasty
- Ossicular discontinuity - surgery
- Ossicular fixation - surgery
- Ossicular reconstruction
- Ossiculoplasty
- Osteoarthritis - elbow arthroplasty
- Osteoarthritis - hip
- Osteoarthritis - hip replacement
- Osteoarthritis - replacement
- Osteoarthritis-hip
- Osteoporosis - kyphoplasty
- Osteoporosis - vertebroplasty
- Osteotomy - bunion
- Osteotomy of the knee
- Otitis - tubes
- Otitis media - mastoidectomy
- Otitis media - tubes
- Otoplasty