B
I
N
G
O
100
Discontinue, Discharge
What is D/C
100
Weight
What is Wt
100
Chloride or Chlorine
What is Cl
100
Prescription, take, treatment
What is Rx
100
whenever necessary, as needed
What is prn
200
Operating room
What is OR
200
Registered Nurse
What is RN
200
Immediately, at once
What is stat
200
Apical Pulse
What is AP
200
Temperature
What is T
300
with
What is w/
300
Small
What is sm
300
Free Space
Free Space
300
Centers for Disease Control and Prevention
What is CDC
300
Dental Hygienist
What is DH
400
without
What is w/o
400
before meals
What is ac
400
Respiration, Rectal
What is R
400
Diagnostic Related Group
What is DRG
400
Last Menstrual Period
What is LMP
500
Prothrombin time
What is Pt
500
Blood Pressure
What is BP
500
Sodium
What is Na
500
Specimen
What is spec
500
Nothing by mouth
What is NPO