The area of concentration identifiers (AOC) for the MC are:
60A--Executive Medicine Officer
60B--Nuclear Medical Officer
60C--Preventive Medicine Officer
60D--Occupational Medicine Officer
60E--General Medical Officer
60F--Pulmonary Disease Officer
60G--Gastroenterologist
60H--Cardiologist
60J--Obstetrician and Gynecologist
60K-Urologist
60L--Dermatologist
60M--Allergist/Clinical Immunologist
60N-Anesthesiologist
60P--Pediatrician
60Q-Pediatric Cardiologist
60R--Child Neurologist
60S--0phthalmologist
60T--Otorhinolaryngologist
60U--Chi Id Psychiatrist
60V--Neurologist
60W--Psychiatrist
60Z--Hematologist
61A--Nephrologist
61B--Medical Oncologist
61C--Endocrinologist
61D--Hematologist
61E--Clinical Pharmacologist
61F--Internist
61G--Infectious Disease Officer
61H--Family Physician
61J--General Surgeon
61K--Thoracic Surgeon
61L--Plastic Surgeon
61M--Orthopedic Surgeon
61N--Flight Surgeon
61P--Psychiatrist
61Q--Therapeutic Radiologist
61R--Diagnostic Radiologist
61S--Radiologist
61T--Anatomical Pathologist
61U--Pathologist
61V--Clinical Pathologist
61W--Peripheral Vascular Surgeon
61Z--Neurosurgeon
62A--Emergency Physician
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