abdomen
ABR absolute bedrest
ac before meals
a.c.
AD Alzheimer's Disease
ad lib as desired
{ at liberty }
ADLs Activities of Daily Living (eating, dressing, bathing, etc.)
adm. admission, admitted
AIDS Acquired Immune Deficiency Syndrome, caused by HIV
AMA (2) American Medical Association
against medical advice
amb ambulate, ambulatory (walking)
APRN Advanced Practice Registered Nurse
as tol as tolerated
ax. axillary (armpit)
BID two times a day
b.i.d.
BLS Basic Life Support
, Medical Abbreviations (Abbr.) | Medical Terminology Practice Questions, Answers & Exam Review 2026-2027
BM bowel movement
BP blood pressure
B/P
BPM beats per minute
BR bed rest
BSC bedside commode
c̅ with
cath. catheter
CBR complete bed rest
CDC Centers for Disease Control and Prevention
C. diff Clostridioides difficile
CHF Congestive Heart Failure
ck ✓ check
cl liq clear liquid
CNA Certified Nursing Assistant
c/o complains of; complaining of