Health Abbreviations & Acronyms

Acronyms abound in our health world. Here you'll find many common health acronyms and what they abbreviate. Use the search box for quick health abbreviation lookup!

• A
• B
• C
• D
• E
• F
• G
• H
• I
• J
• K
• L
• M
• N
• O
• P
• Q
• R
• S
• T
• U
• V
• W
• X
• Y
• Z

• O&P - ova and parasites
• o2 - oxygen
• OA - osteoarthritis
• OB - obstetrics
• OB/GYN - obstetrics and gynecology
• OCD - obsessive-compulsive disorder
• OCG - oral cholecystogram
• OCP - oral contraceptive pill
• OD - right eye;overdose
• OGTT - oral glucose tolerance test
• OM - otitis media
• OOB - out of bed
• OPD - outpatient department
• OR - operating room
• OS - left eye
• OSA - obstructive sleep apnea
• OT - occupational therapy
• OTC - over the counter
• OU - both eyes