- A1C Test
- Abdominal Hysterectomy
- Abdominal Ultrasound
- Abdominoplasty (Tummy Tuck)
- Ablation Therapy
- Ablation Therapy For Arrhythmias
- ACL Reconstruction
- Active Surveillance for Prostate Cancer
- Acupuncture
- Adenoidectomy (Tonsillectomy)
- Adrenalectomy
- AICD
- Allergy Shots
- Amniocentesis
- ANA Test
- Anger Management
- Ankle Surgery
- Ankle-Brachial Index
- Anti-Reflux Surgery (Fundoplication)
- Antro-Duodenal Motility Study
- Aortic Root Surgery
- Apgar Score
- Apheresis (Hemapheresis, Pheresis)
- Appendectomy
- Arm Lift
- Arthrocentesis (Joint Aspiration)
- Arthroscopy
- Artificial Kidney (Hemodialysis)
- Assistive Technology for Spinal Cord Injury
- Asthma Nebulizer
- Athroplasty
- Auditory Brain Implant
- Autopsy (Post Mortem Examination, Obduction)
- Awake Brain Surgery