Acronyms and Abbreviations

Acronyms and Abbreviations


Abbrv. Meaning
A Ampere
AAAHC Accreditation Association Ambulatory Health Care
AABB American Association Blood Banks
AC Alternating Current
ACD Automated Call Distribution
A/D Analog to Digital
ACTY Activity
ADA Americans with Disabilities Act
ADSL Asynchronous Digital Subscriber Line
ADT Admission Discharge and Transfer
AE Application Engineer
AHA American Heart Association
ASHRAE American Society of Heating, Refrigerating and Air Conditioning Engineers
AHRQ Agency Healthcare Research and Quality
ALS Advanced Life Support
AM Amplitude Modulation
AMD Advanced Micro Devices
ANSI American National Standards Institute
ASCII American Standard Code for Information Interchange
ASEE American Society for Engineering Education
ASTM American Society for Testing and Materials
ATM Asynchronous Transfer Mode
AUI Attached Unit Interface


Abbrv. Meaning
B Magnetic Flux
BBA Balanced Budget Act of 1997
BBRA Balanced Budget Refinement Act of 1999
BCBCA BlueCross BlueShield Association
BBS Bulletin Board System
bps Bits per Second
BLS Bureau of Labor Statistics


Abbrv. Meaning
CAD Computer-Aided Design
CBC Complete Blood Count
CAM Computer-Aided Manufacturing
CAM Content Addressable Memory
CAMH Comprehensive Accreditation Manual for Hospitals
CAP College of American Pathology
CAS Computer Assisted Surgery
CATV Cable Television
CAT/CT Computerized Axial Tomography/Computerized Tomography
CCD Charge-coupled device
CCTV Closed-circuit television
CCU Coronary Care Unit/Critical Care Unit
CDC Centers Disease Control and Prevention
CDMA Code Division Multiple Access
CDMA Code Division Multiple Access
CE Clinical Engineer
CEMS Clinical Equipment Management Systems
CFC Chlorofluorocarbon
CHFM Certified Healthcare Facilities Manager
CMS Centers for Medicare & Medicaid Services (CMS)
CMMS Computerized Maintenance Management Software (CMMS)
CPAM Capital Planning Asset Management
CPOE Computerized Physician Order Entry/Computerized Prescription Order Entry
CR Computed radiography
CRT Cathode ray tube
CT Ceramic Tile (flooring covering)
CXR Chest X-ray


Abbrv. Meaning
D/A Digital to Analog
dB Decibel
dBm dB referenced to 1 milliWatt
DC Direct Current
DEMUX Demultiplexer
DEK Data Encryption Key
DICOM Digital Imaging and Communications in Medicine
DNR Do Not Resuscitate
DNS Domain Naming System
DMA Direct Memory Access
DOS Disk Operating System
DPDT Double-Pole Double-Throw (switch)
DR Digital Radiography
.DRW Drawing (file name extensions)
DX Diagnosis


Abbrv. Meaning
E Electromagnetic Fields (EMF)
EBCDIC Extended Binary Coded Decimal Interchange Code
ECC Error Correction Code
ECL Emitter-Coupled Logic
ECN Engineering Change Notice
ECN Equipment Control Number
ECO Engineering Change Order
ECR Engineering Change Request
EIA Electronic Industries Association
EISA Enhanced Industry Standard Architecture
EPA Environmental Protection Agency (United States)
EMF Electromagnetic Field
EMI Electromagnetic interference
EMR Electronic medical record
EMS Emergency Medical Services
EMT Emergency Medical Technician
ENT Ear Nose and Throat
EBCT Empty Bed Contact Time


Abbrv. Meaning
f frequency
FCC Federal Communications Commission
FDA Food and Drug Administration
FIFO First-In, First-Out
FILO First-In, Last-Out
FM Frequency Modulation
FMEA Failure Mode Effect Analysis
FMLA Family and Medical Leave Act of 1993
FO Fiber Optics
FTE Full-Time Equivalent
Fx Fracture
FY Fiscal Year


Abbrv. Meaning
GFCI Ground Fault Circuit Interrupter
GI Gastrointestinal
GND Input Ground Supply Line


Abbrv. Meaning
HAI Hospital Acquired Infection (also known as Nosocomial)
HCFC Hydrochlorofluorocarbon
HEPA High-Efficiency Particulate Air
HPLC High Pressure Liquid Chromatography
HRA Health Risk Assessment
HID High Intensity Discharge
HIS Hospital information system
HVAC Heating Ventilation and Air Conditioning
Hz Hertz


Abbrv. Meaning
IAP Indoor Air Pollution
IAQ Indoor Air Quality
ICF Intermediate Care Facility
ICRA Infection Control Risk Assessment
ICU Intensive Care Unit
ILSM Interim Life Safety Measures
I/O Input/Output
IRQ Interrupt Request
ISDN integrated services digital network
ISO International Organization for Standardization
ISO Independent Service Organizations
ITU Intensive Treatment Unit
IWMS Integrated Workplace Management System


Abbrv. Meaning
J Joule
JCAHO Joint Commission on the Accreditation of Healthcare Organizations/JC Joint Commission
JIT Just-In-Time


Abbrv. Meaning
KPI Key Performance Indicator
KPM Key Performance Measures
kT Noise Power Density
KW Kilowatt
KWH Kilo Watt Hour
KVA Kilovolt-ampere


Abbrv. Meaning
LCC Life-Cycle Cost
LIFO Last In, First Out
LILO Last In, Last Out
LIM Line isolation monitor
LISTSERV List Server [Internet]
LSC Life Safety Code
LTAC Long-Term Acute Care Facility


Abbrv. Meaning
MAC Medium access control [sublayer]
MAN Metropolitan area network
MIN Mobile Identification Number
MRI Magnetic Resonance Imaging
MSDS Material Safety Data Sheets
MUX Multiplexer
mV Millivolt


Abbrv. Meaning
NEC National Electric Code
NEP noise equivalent power
NFPA National Fire Protection Agency
NFS Network File System
NICU Neonatal Intensive Care Unit
NIH National Institutes of Health
NIST National Institute of Standards and Technology
NiCad Nickel-cadmium / NiCad Battery


Abbrv. Meaning
OBD On Board Diagnostics
OD Outside Diameter
OEM Original Equipment Manufacturer
OSHA Occupational Health and Safety Administration
OVP Operational Verification Procedure


Abbrv. Meaning
PACS Picture Archiving and Communication System
PACU Post Anesthesia Care Unit
PBX Private Branch Exchange
PET Positron Emission Tomography / PET Scan
PHI Protected Health Information
PICU Pediatric Intensive Care Unit
PI Performance Improvement / Process Improvement
PIPO Parallel In, Parallel Out
PLC Programmable Logic Controller
PM Preventive Maintenance / Planned Maintenance
PO Purchase Order
POS Place of Service / Point of Service
POP Point of Presence
PWM Pulse Width Modulation


Abbrv. Meaning
QoS Quality of Service
QA Quality Assurance
QC Quality Control


Abbrv. Meaning
RIS Radiology Information System
RF Radio frequency
RFID Radio-Frequency Identification
RMS Root Mean Square
RH Relative Humidity
RST Reset pin
RTC Real Time Clock pin
RTS Request to Send pin: A data communications signal (e.g. RS-232)
RO Reverse Osmosis
ROI Return on Investment
RN Registered Nurse


Abbrv. Meaning
SCSI Small computer systems interface SSA Social Security Administration


Abbrv. Meaning
T Temperature
t Time
TCO Total Cost of Ownership


Abbrv. Meaning
UDI Unique Device Identification
USB Universal Serial Bus
UPS Uninterruptible Power Supply


Abbrv. Meaning
V Volt
Vbb Input Voltage Battery Supply pin
VCC Input Voltage Supply pin
VNA Vendor Neutral Archive
VOIP Voice Over Internet Protocol
VT Vinyl Tile (flooring covering)
V+ Input Voltage Positive Supply pin
V- Input Voltage Ground/Negative Supply pin


Abbrv. Meaning
W Watt (Power)
WAN Wide Area Network
WHO World Health Organization
WO Work Order


Abbrv. Meaning
X Reactance
X-ray Radiology
X.25 A Protocol for Electronic Data Transmission


Abbrv. Meaning
Y As in a coordinate axis in a plane


Abbrv. Meaning
Z Zero
Z Impedance
Z/D Zero Defect

See Also[]