ABPA: allergic bronchopulmonary aspergillosis
ABPM: American Board of Preventive Medicine
ABPMR: American Board of Physical Medicine & Rehabilitation
ABPMR: American Board of Physical Medicine and Rehabilitation
ABPN: American Board of Psychiatry and Neurology
ABPS: American Board of Plastic Surgery
ABQAURP: American Board of Quality Assurance and Utilization Review Physicians
ABR: American Board of Radiology
ABS: American Back Society
ABS: American Behavioral Scientist
ABS: American Board of Sexology
ABS: American Board of Surgery
ABS: American Brachytherapy Society
ABS: Australian Bureau of Statistics
ABSA: American Biological Safety Association
ABSM: American Board of Sleep Medicine
ABSN: Accelerated Bachelor of Science in Nursing
ABSNM: American Board of Science In Nuclear Medicine
ABTS: American Board of Thoracic Surgery
ABU: American Board of Urology
abx: antibiotics
AC: Acromioclavicular
ac: acute
ac: air conduction
AC: Alternating Current
AC: anterior chamber
AC: before eating
ac: before meals
ACA: American Chiropractic Association
ACAAI: American College of Allergy, Asthma and Immunology
acc: accommodation
ACC: Australian Cancer Council
ACCP: American College of Chest Physicians
ACCR: American Chiropractic College of Radiology
ACD: acid-citrate-dextrose
ACD: anterior chest diameter
ACD: Australasian College of Dermatologists
ace: angiotensin converting enzyme
ACE-I: angiotensin-converting enzyme inhibitor
ACEM: Australian College for Emergency Medicine