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

• R - right
• R/O - rule out
• RA - rheumatoid arthritis;right atrium
• RAD - right axis deviation
• RAP - right atrial pressure
• RBC - red blood cell
• RDA - recommended daily allowance
• Rh - rhesus factor
• RIA - radioimmunoassay
• RICE - rest, ice, compression, and elevation
• RLQ - right lower quadrant
• RN - registered nurse
• RNA - ribonucleic acid
• ROM - range of motion
• ROS - review of systems
• RPh - registered pharmacist
• RT - respiratory therapy
• RTC - return to clinic
• RUQ - right upper quadrant
• RV - residual volume
• Rx - medical prescription