| Abbreviations | Meaning |
 | CRNE / EAIC | Canadian Registered Nurse Examination / Examen D'Autorisation Infirmière Au Canada |
 | CRNH | Certified Registered Nurse Hospice |
 | CRNM | College Of Registered Nurses Of Manitoba |
 | CRNNS | College Of Registered Nurses Of Nova Scotia |
 | CRNP | Certified Registered Nurse Practitioner |
 | CRO-MG | Conselho Regional De Odontologia De Minas Gerais |
 | CROBM | Critical Reviews In Oral Biology And Medicine |
 | CROSS | Comité Régional De L'Organisation Sanitaire Et Sociale |
 | CROSS | Commission Régionale D'Organisation Du Système Sanitaire |
 | CRPA | Canadian Radiation Protection Association |
 | CRRN | Certified Rehabilitation Registered Nurse |
 | CRS | California Radiological Society |
 | CRS | Commonwealth Rehabilitation Service |
 | CRUFAD | Clinical Research Unit For Anxiety Disorders |
 | CRWAD | Conference Of Research Workers In Animal Diseases |
 | CRWH | Centre For Research In Women's Health |
 | CS | Clinical Specialist |
 | CSA | California Society Of Anesthesiologists |
 | CSA | Canadian Standards Association |
 | CSA | Canadian Stuttering Association |
 | CSA | Care Standards Act |
 | CSA/USA | Celiac Sprue Association/United States Of America |
 | CSAAC | Community Services For Autistic Adults And Children |
 | CSACI / SCAIC | Canadian Society Of Allergy And Clinical Immunology / Société Canadienne D'allergie Et D'immunologie Clinique |
 | CSAM / SMCA | Canadian Society Of Addiction Medicine / Société Médicale Canadienne Sur L'Addiction |
 | CSAP | Center For Substance Abuse Prevention (Previously: Office For Substance Abuse Prevention) |
 | CSAT | Center For Substance Abuse Treatment |
 | CSBBCS | Canadian Society For Brain, Behavior And Cognitive Sciences |
 | CSBMCB / SCBBMC | Canadian Society Of Biochemistry And Molecular & Cell Biology / Société Canadienne De Biochimie Et De Biologie Moléculaire Et Cellulaire |
 | CSBQ | Conseil De La Santé Et Du Bien-être Du Québec |
 | CSBS | Clinical Standards Board For Scotland |
 | CSC | Centre De Santé Communautaire |
 | CSC | Commission De Sécurité Des Consommateurs |
 | CSC | Commonwealth Science Council |
 | CSC | Connaître Les Syndromes Cérébelleux |
 | CSC / CCS | Centre For Surveillance Coordination / Centre De Coordination De La Surveillance |
 | CSCC / SCCC | Canadian Society Of Clinical Chemists / Société Canadienne Des Clinico-Chimistes |
 | CSCE | Computer Simulated Clinical Exercise For Dental Hygiene |
 | CSCH | Chicago Society Of Clinical Hypnosis |
 | CSCI | Canadian Society For Clinical Investigation |
 | CSCN | Canadian Society Of Clinical Neurophysiology |
 | CSCN / SCNC | Canadian Society For Clinical Nutrition / Société Canadienne De Nutrition Clinique |
 | CSCQ | Conseil De La Santé Communautaire Du Québec |
 | CSCR | California Society For Cardiac Rehabilitation |
 | CSCR | Central Society For Clinical Research |
 | CSCT | Canadian Society Of Cardiology Technologists |
 | CSCT | Certificat De Synthèse Clinique Et Thérapeutique |
 | CSDA | Connecticut State Dental Association |
 | CSDMS | Canadian Society Of Diagnostic Medical Sonographers |
 | CSE | Canadian Society Of Echocardiography |