Browse Medical Abbreviations

C Calorie (kilocalorie); contact; Celsius (centigrade); Carbon (element)
c with; calorie (small calorie)
C&C confirmed and compatible
C&DB cough and deep breath
C&P crowning and pushing
C&S culture and sensitivity
C-B chest-back
C-collar cervical collar
C-spine cervical spine
c.m.s. to be taken tomorrow morning (cras mane sumendus)
c.n. tomorrow night (cras nocte)
c.n.s. to be taken tomorrow night (cras nocte sumendus)
C.T.P. color, temperature, pulse
c/o complains of
C/S consult
C/TG cholesterol/triglyceride ratio
C/w continue with; consistent with
CA cancer, carcinoma; cortical area; coronary artery
Ca Calcium (element)
ca. approximately; carcinoma or cancer; about
CAB compressions-airway-breathing
CABG coronary artery bypass graft
CAC Certified Addictions Counselor
CaCO3 calcium carbonate
CACT Carnitine acylcarnitine translocase deficiency
CAD coronary artery disease; computer-aided detection
CAE complement activity enzyme
CAF cytoxan, adriamycin, fluorouracil
CAGE controlling, anger/annoyance, guilt, eye opener (questions)
CAH congenital adrenal hyperplasia; chronic active hepatitis
CAI computer assisted instruction
cal calorie
Cal kilocalorie
CAM complementary and alternative medicine
cAMP cyclic adenosine monophosphate
canc cancelled
CAO conscious, alert, and oriented
cap capillary; capsule
CAP community acquired pneumonia
CAPD continuous ambulatory peritoneal dialysis
caps capsules
CARP confluent and reticulated papillomatosis
CAT computerized axial tomography; crisis assessment and treatment
cath catheter(ization)
CAU child and adolescent unit; clinical assessment unit
cauc Caucasian
CAUTI catheter associated urinary tract infection
cav cavity
CAVP continuous arterial venous pressure
CB carotid bruit
CBC complete blood count
CBD common bile duct
CBE charting by exception; clinical breast exam
CBG capillary blood gas; corticosteroidbinding globulin
CBI continuous bladder irrigation
CBLL capillary blood lead level
CBO community based organization
CBP chronic bacterial prostatitis
CBRNE chemical, biological, radiological, nuclear, and explosive agents
CBS casual blood sugar
CBSC cord blood stem cells
CBT cognitive behavioral therapy; computer-based training
cc cubic centimeter
CC chief complaint; care coordinator
CCA calcium channel antagonist
CCB calcium channel blocker; change control board
CCC chronic care clinic
CCCA central centrifugal cicatricial alopecia
CCE clubbing, cyanosis edema
CCH care closer to home
CCK cholecystokinin
CCMS clean catch midstream (specimen)
CCNU lomustine
CCP clinical care pathway
CCPD continuous cycling peritoneal dialysis
CCRA cardiac cath recovery area
CCU coronary/cardiac care unit; critical care unit
CCW counterclockwise
CD current diagnosis; controlled drug(s); communicable disease; chemical dependency; cesarean delivery; cardiovascular disease
Cd Cadmium (element)
CD-ROM compact disc read-only memory
CD4 helper t lymphocytes
CD8 cytotoxic cells
CD8 count CD8 T-lymphocyte count, CD8 Tsuppressor cells
CDAD clostridium difficile-associated diarrhea
CDC Centers for Disease Control and Prevention
CDH congenital dislocation hip
CDHF chronic diastolic heart failure
CDMI Clinical Digital Maturity Index
cDNA complementary DNA
CDU chemical dependency unit, clinical decision unit
Ce Cerium (element)
CE continuing education
CEA cultured epithelial autografts; carotid endarterectomy; carcinoembryonic disease; carcinoembryonic antigen
CEH continuing education hour
cert certified, certificate
cerv cervix/cervical
CETR care, education and treatment review
CEU continuing education unit
CF cystic fibrosis
CFC chlorofluorohydrocarbons
CFR child fatality review
CFS chronic fatigue syndrome
CFTR cystic fibrosis transmembrane regulator
CFU colony forming unit
cg centigram
CG chorionic gonadotropin
Cgm centigram
cGy centigray
ch child; chest
CH congenital hypothyroidism; clinical hold
ch px chicken pox
CHADS congestive heart failure, hypertension, age, diabetes mellitus, prior stroke or TIA
CHB complete heart block
CHC community health center; continuing health care
CHD coronary heart disease; congenital heart disease
ChE cholinesterase
chem chemical, chemistry
chemo chemotherapy
CHF congestive heart failure
CHHA certified home health aide
CHI closed head injury
CHL conductive hearing loss
CHO carbohydrate
chol cholesterol
Chr chronic
CHT closed head trauma
CI confidence interval; cochlear implant; cardiac index
Ci curie
CIA collagen-induced arthritis
CIBH change in bowel habits
CIC circulating immune complex; crisis intervention center
CICU coronary intensive care unit
cig cigarette
CIN cervical intraepithelial neoplasia
CIP clean in place; cost/continuous improvement plan/process
circ circumference; circumcision; circulate
CIS carcinoma in situ
CJD creutzfeldt-jakob disease
CK creatine kinase
CK, CPK creatine kinase, creatinine phosphokinase
CK-MB serum creatine kinase, myocardial-bound
CKC cold knife conization
CKD chronic kidney disease
Cl Chlorine (element)
Cl- Chloride
CLcr creatinine clearance
CLD chronic liver disease
clin clinic, clinical
CLL chronic lymphocytic leukemia
CLN clinical lead/liaison nurse
CLOD clinical lead for organ donation
CLR clear
CLTC citizens for long-term care
cm centimeter
CM case/care management
cm2 square centimeter
CMA certified medical assistant
CMC carpo metacarpal
CME continuing medical education
CMF cyclophosphamide, methotrexate, and fluorouracil
CMG cystometrogram
CMHC community mental health center
CML chronic myelogenous leukemia
CMO chief medical officer; care management organization
cmp cardiomyopathy
CMP comprehensive metabolic panel
CMS Centers for Medicare and Medicaid
CMT cervical motion tenderness; certified medication technician
CMTC cutis marmorata telangiectatica congentia
CMV controlled mechanical ventilator; cytomegalovirus
CN cranial nerve
CNA Certified Nurse Aide
CNH chondrodermatitis nodularis helices
CNM Certified Nurse Midwife
CNO Chief Nursing Officer
CNR closed nasal reduction
CNS central nervous system; Clinical Nurse Specialist
CNSC certified nutrition support clinician
CO carbon monoxide; cardiac output
Co Cobalt (element)
CO2 carbon dioxide
COA Certified Ophthalmic Assistant; coarctation of the aorta
coag coagulation
COB close of business
COC cauterization of the cervix
COCs combined oral contraceptives (estrogen and progestin)
COG center of gravity
COH carbohydrate
COLD chronic obstructive lung disease
COM chronic otitis media
comp. compound; compounded of; complication
COMT catechol-o-methyltransferase
conc concentrated, concentration
cond condition
cong congenital
const constant
cont continue(d)
contras contraindications
contrx contractions
COO chief operating officer
COP conditions of participation (Medicare)
COPD chronic obstructive pulmonary disease
CORE coordinated outbreak response and evaluation
corr correct, correction
COT Nicotine/Cotinine (COT test)
COTA certified occupational therapy assistant
COWS clinical opiate withdrawal scale
COX-2 cyclooxygenase 2 inhibitors
CP cleft palate; cicatricial pemphigoid; chest pain; cerebral palsy; cardiopulmonary
cP centipoise unit
CPA costophrenic angle; cerebellopontine angle
CPAP continuous positive airway pressure
CPC clinicopathologic conference
CPD cephalopelvic disproportion; chronic pulmonary disease; congenital polycystic disease
CPHSS Cincinnati Prehospital Stroke Scale
CPK creatine phosphokinase; creatinine phosphokinase
CPM continuous passive mobilizer; counts per minute; continuous passive motion; care plan meeting
CPMI chronic and persistent mental illness
CPP cerebral perfusion pressure
CPPV continuous positive pressure ventilation
CPR cardiopulmonary resuscitation
CPT current procedural terminology; chest physiotherapy
Cpy copy
CQI clinical quality indicator; continuous quality improvement
Cr Chromium (element)
CR crown-rump length; creatinine; controlled release (medication); conditioned reflex
CRA clinical research associate
CRB clinical reference board; change review board
CrCl creatinine clearance
crea creatinine
creat creatinine
CREST calcinosis, Raynaud's phenomenon, esophageal dysmotility, sclerodactyly, telangiectasias
CRF chronic renal failure; cardiac risk factors
CRH corticotropin-releasing hormone
CRI chronic renal insufficiency; catheter-related infection
CRIF closed reduction-internal fixation
crit Hematocrit
CRNA certified registered nurse anesthetist
cRNA chromosomal RNA
CRNH certified registered nurse—hospice
CRNP Certified Registered Nurse Practitioner
CRO clinical research organization
CRP C-reactive protein
CRR consult review request
CRRT continuous renal replacement therapy
CRS congenital rubella syndrome; chronic rhinosinusitis
CRS-R Conners Rating Scales-Revised
CRT cardiac resynchronization therapy; creatinine
Crt creatinine
CRTT Certified Respiratory Therapy Technician
CRU coronary rehabilitation unit
cryo cryosurgery, cryotherapy; cryoprecipitate
CS culture and sensitivity; completed stroke; close supervision; clinically significant; chondroitin sulfate; cardiac sphincter; cardiogenic shock; cesarean section
Cs Cesium (element)
CSA Controlled Substances Act; cyclosporin A
CSF cerebrospinal fluid; colony-stimulating factor
CSH combat support hospital
CSHF chronic systolic heart failure
CSM circulation, sensory, and motor
CSO chief scientific officer
CSR, CSS central supply room, central service supply
CST contraction stress test
CT computed/computerized tomography; clinical trial; chest tube
CT scan computed tomography scan
CT/GC Chlamydia Trachomatis/Neisseria Gonorrhea
CTA computerized tomography angiography; clear to auscultation
CTAB clear to auscultation bilaterally
CTB cease to breathe; chronic tuberculosis
CTC common toxicity criteria; chlortetracycline
CTCL Cutaneous T-cell lymphoma
CTD connective tissue disease
CTG cathepsin G
CTLSO cervical thoracic lumbar sacral orthosis
CTO clinical trial outline
ctr control
CTS carpal tunnel syndrome
ctx contraction
CTZ chemoreceptor trigger zone
CU case unknown
Cu Copper (element)
CUC chronic ulcerative colitis
CUD carnitine uptake defect
CUm cubic micron
cur current
CV cardiovascular
CVA costovertebral angle; cerebrovascular accident; cardiovascular accident
CVAT costovertebral angle tenderness
CVB coxsackievirus B
CVC central venous catheter
CVD cardiovascular disease
CVL central venous line
CVOU cardiovascular outpatient unit
CVP central venous pressure
CVRB critical value read back
CvS cardiovascular system
CVS chronic villus sampling; clean-voided specimen
CVX cervix
CWD canal wall down
CWR canal wall reconstruction
CWU canal wall up
CX circumflex
cx cervix/cervical
Cx cervix; cancel
Cx Bx cervical biopsy
CXR chest x-ray
CY calendar year
CYS children and youth services
cysto cystoscopy