Common Abbreviations (Q - R)

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Abbreviation Word or Phrase
Q Quadrant
QID Four times a day
R Roentgen
R Respiration
R Right
RA Radium
RAD Radiation
RAD Radiation Absorbed Dose
RAD Radical
RAEB (-T) Refractory anemia with excess blasts (in transformation)
RAIU Radioactive iodine (I 131) uptake
RARS Refractory anemia with ringed sideroblasts
RBC Red blood cells
RCM Right costal margin
RCS Reticulum cell sarcoma
REG Radioencephalogram
RES Reticuloendothelial system
RESEC Resection
RESP Respiratory
RH Rhesus (monkey) factor in blood
RIA Radioimmunoassay
RIF Right iliac fossa
RIQ Right inner quadrant (abdomen)
RLE Right lower extremity
RLL Right lower lobe (lung)
RLQ Right lower quadrant
RML Right middle lobe (lung)
RMS Rhabdomyosarcoma
RN Registered nurse
RNP Registered nurse practioner
RNA Ribonucleic acid
RO, R/O Rule out
ROF Review of outside films
ROM Range of motions
ROS Review of slides
ROS Review of outside slides
ROQ Right outer quadrant (abdomen)
RSO Right salpingo-oophorectomy
R-S cells Reed-Sternberg cells
RT Radiation therapy
RT Right
RUE Right upper extremity
RUL Right upper lobe
RUQ Right upper quadrant
R-V Rectovaginal
RX Treatment

Updated: December 28, 2023