Healthcare Acronyms
This alphabetical list will help explain some of the most commonly used acronyms in healthcare put together by St. Mary's Patient & Family Advisory Committee. If there are any additional terms not on this list, please ask a member of your healthcare team or a member of our Patient Experience & Relations Team who are happy to help.
KPI |
Key Performance Indicator(s) |
KS |
Kaposi sarcoma |
KUB |
Kidney, ureter, bladder (x-ray) |
LAD |
Leukocyte adhesion deficiency |
LAMA |
Left against medical advice |
LBP |
Lower back pain |
LBW |
Low birth weight |
LCD |
Local coverage determinations |
LIH |
Left inguinal hernia |
LLL |
Left lower lobe |
LLQ |
Left lower quadrant |
LMS |
Learning management system |
LOF |
Loss of fluid |
LOS |
Length of stay |
LPC |
Licensed professional counselor |
LPHA |
Local public health agency |
LPN |
Licensed practical nurse |
LPT |
Licensed physical therapist |
LRN |
Laboratory Response Network |
LSA |
Legislative Service Agency |
LTC |
Long-term care |
LTCH |
Long-term care hospital |
LTSS |
Long term social services |
LUL |
Left upper lobe |
LUQ |
Left upper quadrant |
LV |
Left ventricle |
LVN |
Licensed vocational nurse |
MA |
Medicare Advantage |
MAC |
Medicare Administrative Contractor |
MACPAC |
Medicaid and CHIP Payment and Access Commission |
MACRA |
Medicare Access and CHIP Reauthorization Act of 2015 |
MB |
Market basket |
MBI |
Market basket index |
MCO |
Managed care organization |
MD |
Doctor of Medicine |
MD |
Muscular dystrophy |
MDA |
Muscular Dystrophy Association |
MDC |
Major Diagnostic Category |
MDD |
Maximum daily dose |
MDH |
Medicare Dependent Hospital |
MDP |
Measure Development Plan |
MDS |
Minimum Data Set |
ME |
Medical examiner |
MEI |
Medical economic index |
MEI |
Medicare Economic Index |
mEq. |
Milliequivalent |
MFS |
Medicare fee schedule |
MG |
Milligram |
MGCRB |
Medicare Geographic Classification Review Board |
MHA |
Master of Hospital Administration Master of Health Administration |
MH&A |
Mental Health & Addictions |
MHI |
Mental Health Integration |
MHS |
Master of Health Studies |
MHSA |
Master of Health Services Administration |
MI |
Myocardial infarction; also Mitral insufficiency or Mental institution |
MIPPA |
Medicare Improvements for Patients and Providers Act of 2008 |
MIPS |
Merit-based Incentive Payment System |
ML |
Milliliter |
MLP |
Mid-level practitioner |
MLR |
Minimum Loss Rate |
MMA |
Medicare Modernization Act of 2003 |
MMRS |
Metropolitan medical response system |
MOB |
Medical office building |
MOH |
Ministry of Health |
MOM |
Milk of magnesia |
MPA |
Master of Public Administration |
MPH |
Master of Public Health |
MR |
Mental retardation |
MRI |
Magnetic resonance imaging |
MS |
Mitral stenosis; also Master of Science or Medical scientist |
MS |
Multiple sclerosis |
MSA |
Metropolitan statistical area |
MSN |
Master of Science in Nursing |
MSO |
Management service organization |
MSW |
Master of Social Work |
MUA |
Medically underserved area |
MUP |
Medically underserved population |
MVA |
Motor vehicle accident |
MVP |
Minimally Viable Product |
MVPS |
Medicare volume performance standard |
MedPAC |
Medicare Payment Advisory Commission |
Mono |
Mononucleosis |
N/V |
Nausea vomiting |
NAD |
No acute distress |
NB |
Newborn |
NBC |
Nuclear, Biological, Chemical |
NCD |
National coverage determination |
NCQA |
National Committee for Quality Assurance |
ND |
Doctor of Naturopathic Medicine |
NDMS |
National Disaster Medical System |
NF |
Nursing facility |
NIC |
Neonatal intensive care |
NICU |
Neonatal intensive care unit |
NIDDM |
Non-insulin dependent diabetes mellitus |
NIH |
National Institutes of Health |
NIMS |
National Incident Management System |
NIPP |
National Infrastructure Protection Plan |
NKDA |
No known drug allergies |
NLRB |
National Labor Relations Board |
NM |
Neuromuscular |
NNDSS |
Nationally Notifiable Disease Surveillance System |
NP |
Nurse practitioner |
NPI |
National Provider Identifier |
NPO |
Nothing by mouth |
NPRM |
Notice of Proposed Rule Making |
NQF |
National Quality Forum |
NQS |
National Quality Strategy |
NRP |
National Response Plan |
NTG |
Nitroglycerin |
NVD |
Normal vaginal delivery |
Nat/O |
Birth |
O2 |
Oxygen |
OASIS |
Outcome and Assessment Information Set |
OB-GYN |
Obstetrics and gynecology |
OBRA |
Omnibus Budget Reconciliation Act |
OCD |
Obsessive compulsive disorder |
OCM |
Oncology Care Model |
OCP |
Oral contraceptive pill |
OCR |
Office for Civil Rights |
OD |
Doctor of Optometry |
OD |
Right eye |
ODS |
Organized delivery system |
OGTT |
Oral glucose tolerance test |
OH/OHT |
Ontario Health/Ontario Health Team |
OIG |
Office of the Inspector General |
OMB |
Office of Management and Budget |
ON |
Optic neuritis |
ONC |
Office of the National Coordinator for Health Information Technology |
OPD |
Outpatient department |
OPO |
Organ procurement organization |
OPP |
Out-of-pocket payments |
OPPS |
Medicare Hospital Outpatient Prospective Payment System |
OPV |
Oral polio vaccine |
OR |
Operating room |
OS |
Left eye |
OSA |
Obstructive sleep apnea |
OSHA |
Occupational Safety and Health Administration |
OT |
Occupational therapy |
OTC |
Over the counter |
OU |
Both eyes |
P |
Pulse |
P&A |
Percussion and auscultation |
P4P |
Pay for Performance |
PA |
Physician assistant |
PA |
Posterior-anterior |
PA or PT |
Patient |
PACS |
Picture archiving and communication system |
PALS |
Pediatric advanced life support |
PAP |
Pulmonary artery pressure; Papanicolaou test |
PAPR |
Personal air-purifying respirator |
PAT |
Paroxysmal Atrial Tachycardia |
PBI |
Protein-bound iodine |
PC |
After meals |
PCMH |
Patient-Centered Medical Home |
PCN |
Primary care network |
PCN |
Penicillin |
PCORI |
Patient-Centered Outcomes Research Institute |
PCP |
Primary care physician/provider |
PD |
Parkinson's disease |
PDL |
Prescription drug list |
PDP |
Prescription drug plan |
PE |
Pulmonary embolism |
PECOS |
Medicare Provider Enrollment, Chain and Ownership System |
PEEP |
Positive end expiratory pressure |
PET |
Positron emission tomography |
PFFS |
Private fee-for-service |
PFPMs |
Physician Focused Payment Models |
PFS |
Medicare Physician Fee Schedule |
pH |
Acidity or alkalinity. pH 7 = neutral, above 7 = alkalinity increases, below 7 = acidity decreases. |
PHN |
Public health nurse |
PHO |
Physician hospital organization |
PHS |
Public Health Service |
PID |
Pelvic inflammatory disease |
PIH |
Pregnancy induced hypertension |
PKD |
Polycystic kidney disease |
PMPM |
Per-member/per-month |
PMS |
Premenstrual syndrome |
PNS |
Peripheral nervous system |
PNV |
Prenatal vitamins |
PO |
Per os (by mouth) |
POS |
Point of service |
PPACA |
Patient Protection and Affordable Care Act |
PPE |
Personal protective equipment |
PPI |
Producer price index |
PPO |
Preferred provider organization |
PPRC |
Physician Payment Review Commission |
PPS |
Prospective payment system |
PQRS |
Physician Quality Reporting System (CMS) |
PRN |
As needed |
PRO |
Peer review organization |
PRRB |
Provider reimbursement review board |
PSA |
Prostate-specific antigen |
PSO |
Provider sponsored organization |
PT |
Physical therapy |
PTAC |
Professional and Technical Advisory Committee |
PTSD |
Post-traumatic stress disorder |
Ped. |
Pediatrics; also Pediatrician |
Post-op |
Postoperative (after surgery) |
Pre-op |
Preoperative (before surgery) |
Preemy |
Premature infant |
q2h |
Every 2 hours |
q3h |
Every 3 hours |
qam |
Every morning |
qd |
Once a day |
qh |
Once every hour |
qhs |
At bedtime |
qid |
Four times a day |
qod |
Every other day |
qpm |
Every evening |
QA |
Quality assurance |
QBP |
Quality Based Procedure |
QCDR |
Qualified Clinical Data Registry |
QE |
Qualified Entity |
QI |
Quality improvement |
QIO |
Quality Improvement Organization |
QP |
Qualifying APM Professional |
QRDA |
Quality Reporting Document Architecture |
QRUR |
Quality and Resource Use Reports |
RA |
Rheumatoid arthritis |
RA |
Right atrium |
RAC |
Recovery Audit Contractor |
RAD |
Radiation-absorbed dose |
RAD |
Reactive airway disease |
RBC |
Red blood count |
RBC |
Red blood cell |
RBRVS |
Resource-Based Relative Value Scale |
RCM |
Remote Case Management |
RDI |
Recommended daily intake |
RDS |
Respiratory distress syndrome |
REM |
Rapid eye movements |
RF |
Risk factor |
RHC |
Rural health clinic |
RHD |
Rheumatic heart disease |
RPB 6 |
Regional Policy Board 6 (AHA) |
RUC |
AMA/Specialty Society Relative Value Update Committee |
RUGs |
Resource utilization groups |
RUL |
Right upper lobe |
RUQ |
Right upper quadrant |
RV |
Right ventricle, residual volume |
RVS |
Relative value scale |
RVU |
Relative value unit |
RWG |
Refugee Working Group |
RXN |
Reaction |
Rx |
Prescription, treatment |
S/S |
Signs and symptoms |
SAB |
Spontaneous abortion |
SAMHSA |
Substance Abuse and Mental Health Services Administration |
SARS |
Severe acute respiratory syndrome |
SBO |
Small bowel obstruction |
SBS |
Shaken baby syndrome |
SC |
Subcutaneous |
SC/SQ |
Subcutaneous |
SCH |
Sole community hospital |
SCHIP |
State Children's Health Insurance Program |
SCIC |
Significant change in condition |
SEIU |
Service Employees International Union |
SEOC |
State emergency operations center |
SGR |
Sustainable Growth Rate |
SICU |
Surgical intensive care unit |
SIDS |
Sudden infant death syndrome |
SMDA |
Safe Medical Devices Act (1990) |
SME |
State medical examiner |
SNF |
Skilled Nursing Facility |
SNP |
Special Needs Plan |
SNS |
Strategic National Stockpile |
SOB |
Shortness of breath |
SPECT |
Single-photon-emission computerized tomography |
SSA |
Social Security Administration |
SSI |
Supplemental Security Income |
START |
Simple triage and rapid transport |
STAT |
Immediately |
STD |
Sexually transmitted disease |
STHP |
Short Term Health Plan |
SX |
Symptoms |
Stat. |
Immediately |
T |
Temperature |
T&C |
Type and cross (blood) |
T&A |
Tonsillectomy and adenoidectomy |
TAB |
Tablet |
TAH |
Total abdominal hysterectomy |
TB |
Tuberculosis |
TBI |
Traumatic brain injury |
TCMP |
Traditional Chinese Medicine Practitioners |
TCPI |
Transforming Clinical Practice Initiative |
TGA |
Transient global amnesia |
TIN |
Tax Identification Number |
TIW |
Three times a week |
TLC |
Total lung capacity |
TMA |
Transitional Medical Assistance |
TPA |
Third-party administrator or third-party administration |
TPA |
Tissue plasminogen activator (dissolve clots), total parenteral alimentation (intravenous nutritional needs) |
TPR |
Temperature, pulse, respiration |
TQI |
Total quality improvement |
TQM |
Total quality management |
TRHCA |
Tax Relief and Health Care Act of 2006 |
TSA |
Transportation Security Administration |
Temp. |
Temperature |