| ART | Accredited Records Technician |
| A3M | Asians for Miracle Marrow Matches |
| AACN | American Association of Critical Care Nurses |
| AADP | Asian American Donor Program |
| AAEM | American Academy of Emergency Physicians |
| AALNC | American Association of Legal Nurse Consultants |
| AAO | American Academy of Ophthalmology |
| AAPA | American Academy of Physician Assistants |
| AAPS | American Association of Physician Specialists |
| AAPT | American Association of Psychiatric Technicians, Inc. |
| AARC | American Association of Respiratory Care |
| AART | American Assoc. for Radiologic Technologists |
| AAS | Associate of Applied Science (major is Nursing) |
| American Association of Suicidology |
| ABQAURP | American Board of Quality of Assurance & Utlization Review Physicians |
| ACCE | American College of Childbirth Educators (ASPO / Lamaze) |
| ACE | American Council on Exercise |
| ACLS | Advanced Cardiac Life Support |
| ACNP | Acute Care Nurse Practitioner (USA) |
| ACRN | Aids Certified Registered Nurse (Awarded by the HIV/AIDS Nursing Certification Board) |
| ADN | Associate Degree of Nursing |
| Assistant Director of Nursing |
| ADON | Assistant Director of Nursing (Australia = level 4) |
| A & E | Accident and Emergency (Australia) |
| AHA | American Heart Association |
| American Hospital Association |
| AHIP | Academy of Health Information Professionals (part of Medical Library Association) |
| AIN | Assistant in Nursing (Australia) |
| ALSO | Advanced Life Support and Obstetrics |
| AMA | American Medical Association |
| ANM | Assistant Nurse Manager |
| ANNA | American Nephrology Nurses Association |
| ANP | Adult Nurse Practitioner |
| AOCN | Advanced Oncology Certified Nurse (May be NP or CNS, requires MS in nursing) |
| AORN | Association of Operating Room Nurses (USA) |
| APIC | Association for Professionals in Infection Control & Epidemiology, Inc. |
| APLS | Advanced Pediatric Life Support |
| APN | Advanced Practice Nurse (may be CNS, NP, CNM, or CRNA) |
| APNP | Advanced Practice Nurse Prescriber |
| APRN | Advanced Practice Registered Nurse |
| ARN | Association of Rehabilitation Nurses |
| ARNP | Advanced Registered Nurse Practitioner |
| ARNP-BC, GNP | Advanced Registered Nurse Practice - Board Certified (ARNP-BC) |
| ASN | Associate in Science of Nursing |
| ASOPA | American Society of Orthopedic Physician |
| ASORN | American Society of Ophthalmic Registered Nurses (they operate out of the AAO) |
| ASPAN | American Society of Peri Anesthesia |
| ASPN | Associated Science of Practical Nursing (North Dakota Board of nursing) |
| AT | Art (or Activity) Therapist |
| ATLS | Advanced Trauma Life Support |
| BAA (N) | Bachelor of Applied Arts in Nursing |
| BAN | Bachelor of Arts in Nursing - College of St. Catherine in St. Paul, MN |
| BCLS | Basic Cardiac Life Support |
| B-I-R | Behavior / Intervention / Response (form of POR - type of psy charting) |
| B-I-R-P | Behavior / Intervention / Response / Plan (form of POR - type of psy charting) |
| Bsc.N | Bachelor of Science Nursing |
| BSN | Bachelor of Science Nursing |
| BSPA | Bachelor of Science Professional Arts |
| BIG | Dutch abbrevation applies to Registered Nurses (Beroepen Individuele Gezondheidszorg) |
| BCRTCFUSA | Buddhist Compassion Relief Tzu-Chi Foundation USA |
| C | Certified (usually appears with another title) |
| Caremaps | documentation tool based on expected physician orders & patient outcomes |
| CAPA | Certified Ambulatory Perianesthesia Nurse (an ASPAN Certification) |
| CARN | Certified Addictions Registered Nurse (USA) |
| CAVH | Continuous Arterial Venous Hemofiltration |
| CBE | Certified Breastfeeding Educator |
| CCC | Critical Care Nurse (Australia) |
| CCHP | Certified Correctional Health Profession |
| CCM | Certified Case Manager |
| CCRN | Certified Critical Care Registered Nurse |
| CCS | Certified Coding Specialist |
| CCTC | Certified Clinical Transplant Coordinator |
| CCU | Coronary Care Unit; Color Changing Unit; Community Care Unit |
| CDAC | Certified Drug and Alcohol Counselor |
| CDDN | Certified Developmental Disabilities Nurse |
| CDE | Certified Diabetes Educator |
| CDMS | Certified Disability Management Specialist |
| CDONA/LTC | Certified Director of Nursing Administration in Long Term Care |
| CEN | Certification for Emergency Nursing |
| CENAs | Competency Evaluated Nurse Aides |
| CETN | Certified Enterostomal Therapy Nurse |
| CFNP | Certified Family Nurse Practitioner |
| CGFNS | Commission on Graduates of Foreign Nursing Schools |
| CGRN | Certified Gastroenterological Registered Nurse (USA) |
| CHES | Certified Health Education Specialist |
| CHN | Community Health Nurse; Certified Hemodiaysis Nurse |
| CHPN | Certified Hospice and Palliative Care |
| CHT | Certified Hemodialysis Technician |
| Certified Hyperbaric Technologist |
| CHT RN | Certified Hyperbaric Technologist Registered Nurse |
