List of medical abbreviations: C

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Abbreviation Meaning
c (c with a bar over it) with (from Latin cum) means with
C cytosine
cervical vertebrae
C1 atlas – first cervical vertebra of the spine
C2 axis – second cervical vertebra of the spine
CA carcinoma
cancer
Ca calcium
carcinoma
cancer
CAA coronary artery aneurysm
c/b complicated by
CABG coronary artery bypass graft surgery (pronounced "cabbage")
CABP coronary artery bypass procedure
CAD coronary artery disease
CADASIL cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy
CAG coronary artery graft
coronary angiography
CAGE cut down, annoyed, guilty, eye opener (screening for alcoholism)
CAGS coronary artery graft surgery
cAMP cyclic adenosine monophosphate
CAH chronic active hepatitis
congenital adrenal hyperplasia
CALLA common acute lymphocytic leukemia antigen
CAM cell adhesion molecule
complementary and alternative medicine
CAMP cyclic adenosine monophosphate
CAP community-acquired pneumonia
CAPD continuous ambulatory peritoneal dialysis
CAO conscious, alert, and oriented (no altered level of consciousness)
CaOx calcium oxalate
Caps capsule
CAT / CT computed axial tomography / computed tomography
Cath catheter
CBA cost–benefit analysis (of treatment methods)
CBC complete blood count
CBC/DIFF complete blood count/differential
CBD common bile duct
CBE clinical breast examination
CBF cerebral blood flow
CBS chronic brain syndrome
CC
cc
cubic centimeter (use mL instead—see the list of abbreviations used in prescriptions)
chief complaint
cardiac catheter
carbon copy
CCA clear cell adenocarcinoma
CCB calcium channel blocker
CCCU critical coronary care unit
CCE
C/C/E
clubbing, cyanosis, and edema (general signs of cardiovascular disease)
CCG Clinical commissioning group
CCF congestive cardiac failure
CCK cholecystokinin
CCK-PZ cholecystokinin-pancreozymin
CCNS cell cycle–nonspecific [drug] (a type of drug used in chemotherapy)
CCOC clear cell odontogenic carcinoma
CCOT calcifying cystic odontogenic tumor (formerly called calcifying odontogenic cyst)
CCP cyclic citrullinated peptide
CCR cardiocerebral resuscitation
CCU coronary care unit
critical care unit
CD Crohn's disease
chemical dependency
cluster of differentiation
controlled delivery
CDAD Clostridium difficile–associated diarrhea
CDC Centers for Disease Control and Prevention
CDH congenital dislocated hip
CDI central diabetes insipidus
Clostridium difficile infection
cool, dry, intact (when referring to incision/surgical sites)
CDMR caesarean delivery on maternal request
CDP cytosine diphosphate
CDR cutaneous drug reaction
CEA carcinoembryonic antigen
carotid endarterectomy
cost-effectiveness analysis
CEIOL cataract extraction with intraocular lens placement
CF cystic fibrosis
CFA complement-fixing antibody
colonization factor antigen
CFIDS chronic fatigue immune dysfunction syndrome
CFR case fatality rate
CFS chronic fatigue syndrome
CFT complement fixation test
capillary filling time
CFTR cystic fibrosis transmembrane conductance regulator
CFU colony-forming unit
CGD chronic granulomatous disease
CGI Clinical Global Impression (including subscales such as CGI-BP, CGI-C, CGI-E, CGI-I, CGI-S)
cGMP cyclic guanosine monophosphate
CGN chronic glomerulonephritis
CH congenital hypothyroidism
CHD chronic heart disease
congenital heart defect
coronary heart disease
ChE cholinesterase
CHEM-7 a group of blood tests, commonly called a basic metabolic panel (blood urea nitrogen, carbon dioxide, creatinine, glucose, serum chloride, serum potassium, serum sodium)
CHEM-20 a group of blood tests (albumin, alkaline phosphatase, alanine transaminase, aspartate aminotransferase, blood urea nitrogen, calcium – serum, serum chloride, carbon dioxide, creatinine, direct bilirubin, gamma-glutamyl transpeptidase, glucose test, lactate dehydrogenase, phosphorus – serum, potassium test, serum sodium, total bilirubin, total cholesterol, total protein, uric acid)
CHE cholinesterase
CHF congestive heart failure
CHO carbohydrate
CHOP cyclophosphamide, doxorubicin (a.k.a. hydroxydaunorubicin), vincristine(a.k.a. Oncovin), prednisone (chemotherapy regimen)
Chol cholesterol
CHS cannulated hip screw
CHT congenital hypothyroidism
CI confidence interval
cardiac index
CIB cibus (food)
CICU cardiac intensive care unit
CIDP chronic inflammatory demyelinating polyneuropathy
CIMF chronic idiopathic myelofibrosis
CIN cervical intraepithelial neoplasia
CINV Chemotherapy-induced nausea and vomiting
Circ circumcision
circulation
CIS carcinoma in situ
CIVI continuous intravenous infusion
CIWA Clinical Institute Withdrawal Assessment for Alcohol
CJD Creutzfeldt–Jakob disease
CK creatine kinase (formerly CPK)
CKD chronic kidney disease
CKMB MB isoenzyme of creatine kinase
Cl chlorine
clearance
CLARE contact lens acute red eye
CLL chronic lymphocytic leukemia
CLN cervical lymph node
CLND cervical lymph node dissection
complete lymph node dissection
CLP cleft lip and palate
CLS capillary leak syndrome
CM Chirurgiae Magister, Master of Surgery (British and Commonwealth countries medical degree)
CM Caucasian male
CMD cystic medial degeneration
CME continuing medical education
CML chronic myelogenous leukemia, also called chronic myeloid leukaemia
CMML chronic myelomonocytic leukemia
CMO comfort measures only (palliative care or hospice)
CMP complete metabolic profile (a blood panel)
cytosine monophosphate
CMS Centers for Medicare and Medicaid Services
chronic mountain sickness
CMT cervical motion tenderness
CMV cytomegalovirus
CN cranial nerves
CNS central nervous system
Clinical nurse specialist
Crigler-Najjar syndrome
CNVM Choroidal Neovascular Membranes
C/O or c/o complains of...
CO cardiac output
carbon monoxide
complains of...
COAD chronic obstructive airways disease
COCP combined oral contraceptive pill
COH controlled ovarian hyperstimulation
COLD chronic obstructive lung disease
Comp compound
Conj conjunctiva
COP cryptogenic organizing pneumonitis
COPD chronic obstructive pulmonary disease
CO2 carbon dioxide
COX-1 cyclooxygenase 1
COX-2 cyclooxygenase 2
COX-3 cyclooxygenase 3
CP cerebral palsy
chest pain
constrictive pericarditis
CPAP continuous positive airway pressure
CPC clinicalpathological conference
CPCR cardiopulmonary-cerebral resuscitation, a version of CPR
CPD cephalopelvic disproportion
CPE Clostridium perfringens enterotoxin
cardiogenic pulmonary edema
CPG clinical practice guideline
CPK creatine phosphokinase
CPKMB creatine phosphokinase heart
CPP cerebral perfusion pressure
CPPD calcium pyrophosphate
cyclic perimenstrual pain and discomfort[1] (premenstrual syndrome)
CPR cardiopulmonary resuscitation
CPT Current Procedural Terminology
CR complete remission (complete response)
controlled release
Cr creatinine
CRC colorectal cancer
CrCl creatinine clearance
(Note: Looks similar to, but does not mean, the chromium chlorides—CrCl2, CrCl3, CrCl4)
CRD chronic renal disease
circadian rhythm disorder
CRE carbapenem-resistant Enterobacteriaceae
Creat creatinine
CREST calcinosis, Raynaud esophagus, sclerosis, teleangiectasiae
CRF chronic renal failure
corticotropin-releasing factor
CrGN crescentic glomerulonephritis
CRH corticotropin-releasing hormone
CRI chronic renal insufficiency
Crike Cricothyrotomy
CRISPR clustered regularly interspaced short palindromic repeats
Crit hematocrit
CRL crown-rump length
CRNA certified registered nurse anesthetist
CRO contract research organization
CRP C-reactive protein
CRPC castration-resistant prostate cancer
CRPS complex regional pain syndrome
CRRT continuous renal replacement therapy
CRS congenital rubella syndrome
CRSD circadian rhythm sleep disorder
CRT cardiac resynchronization therapy (artificial pacemaker)
chemoradiotherapy
conformal radiotherapy (irradiated zone conforms to boundaries)
cathode ray tube
capillary refill time
central retinal thickness

Certified Respiratory Therapist

CRTx chemoradiotherapy
CS caesarean section
compartment syndrome
culture sensitivity
Churg-Strauss syndrome
C/S Caesarean section
C&S culture and sensitivity (antibiogram)
CsA cyclosporin A
CSA Controlled Substances Act
C-section cesarean section
CSF cerebrospinal fluid
colony-stimulating factor
CSME clinically significant macular edema
CSOM chronic suppurative otitis media
CSPC community specialist palliative care
C-spine cervical spine
CSR cumulative survival rate
C-SSRS Columbia Suicide Severity Rating Scale
CSU catheter specimen of urine
CST contraction stress test
CT computed tomography
cervicothoracic
CTA clear to auscultation
computed tomography angiography
CTAP CT during arterial portography
CTCAE Common Terminology Criteria for Adverse Events
CTD connective tissue disease
CTE chronic traumatic encephalopathy
coefficient of thermal expansion
CTO chronic total occlusion
Community Treatment Order (psychiatric term for forced drugging outside hospital context)
CTP cytosine triphosphate
cytidine triphosphate
Child-Turcotte-Pugh score
clear to percussion
CTPA computed tomographic pulmonary angiography
CTPE CT scan for pulmonary embolii
CTR carpal tunnel release
CTS computed tomography scan
Carpal Tunnel Syndrome
CTU cancer treatment unit
CTx chemotherapy
CTX ceftriaxone (a third-generation cephalosporin antibiotic)
contractions
chemotherapy
CTZ Chemoreceptor trigger zone
CUC chronic ulcerative colitis
CV cardiovascular
CVA cerebrovascular accident
costovertebral angle
CVAD central venous access device
CVAT costovertebral angle tenderness
CVC central venous catheter
chronic venous congestion
CVD cardiovascular disease
CVI cerebrovascular incident
CVL central venous line
CVP central venous pressure
CVS chorionic villus sampling
cardiovascular system
CVID common variable immunodeficiency
c/w consistent with
CWP coal worker's pneumoconiosis
Cx microbiological culture
Cx cervix
CXR chest x-ray (chest radiograph)

References[edit]

  1. ^ Maternity and Women's Health Care, Loudermilk-Perry-Cashion-Allen, 2012, page 121