CNA Abbreviations IM - intramuscularly amb - ambulate IV - intravenously AM - morning o - orally bid - twice daily OD - right eye BM - bowel movements OS - left eye B/P - blood pressure OU - both eyes BR - bathroom oz - ounce c(with line over) - with po - by mouth cath - catheter q - every cc - cubic centimeter q2h - every 2 hours D/C - discontinue or discharge qs - quanity sufficient drsg - dressing stat - at once, immediately HS - bedtime tid - three times daily ht - height s(with line over) - without H2O - water SOB - short of breath H2O2 - hydrogen peroxide HOB - head of bed I&O - intake and output p(with line over) - after NPO - nothing by mouth DNV - did not void NWB - non weight bearing N/V - nausea/vomiting OOB - out of bed B&B - bowel and bladder O2 - oxygen w/c - wheelchair pc - after meals g/c - gerichair prn - as necessary ADL - activities of daily living PM - afternoon or evening OT - occupational therapy pt - patient NA - nursing assistant PT - physical therapy LPN - licensed practical nurse qd - every day RN - registered nurse qh - every hour qid - every 4 hours ODS - one day surgery qod - every other day a(with line over) - before gtt - drop R - rectally ROM - range of motion ad lib - as desired Gm - gram