| AA | Administration on Aging |
| AAA | Area Agency on Aging |
| ADC | Adult Day Care |
| ADHC | Adult Day Health Care (Currently known as CBAS: Community Based Adult Services) |
| ADL | Activities of Daily Living |
| AHCD | Advance Health Care Directives |
| AMA | Against Medical Advice |
| APS | Adult Protective Services |
| ARF | Adult Residential Facility |
| CANHR | California Advocates of Nursing Home Reform |
| CBAS | Community Based Adult Services (Formally known as ADHC: Adult Day Health Care) |
| CCC | Coalition for Compassionate Care |
| CCL | Community Care Licensing |
| CCRC | Continuing Care Retirement Communities |
| CDA | California Department of Aging |
| CDPH/DPH | California Department of Public Health (Previously known as DHS: Department of Health Services) |
| CHF | Congestive Heart Failure |
| CLTCOA | California Long-Term Care Ombudsman Association |
| CLTCOP | California Long-Term Care Ombudsman Program |
| CMS | Centers for Medicare and Medicaid Services |
| CMS-2567 | Statement of Deficiencies and Plan of Correction |
| CNA | Certified Nursing Assistant |
| COLA | Cost of Living Adjustment |
| CPR | Cardiopulmonary resuscitation |
| DMFEA | Department of Medi-Cal Fraud and Elder Abuse |
| DNR | Do Not Resuscitate (Also known as Allow Natural Death) |
| DOB | Date of Birth |
| DOJ | Department of Justice |
| DON | Director of Nurses |
| DP | Distinct Part Facility |
| DP/SNF | Distinct Part/Skilled Nursing Facility |
| DPOA | Durable Power of Attorney |
| DSS | Department of Social Services |
| DSS | Director of Social Services |
| DV | Domestic Violence |
| EJA | Elder Justice Act |
| G-tube | Gastrostomy tube |
| HIPPA | Health Insurance Portability and Accountability Act |
| HMOs | Health Maintenance Organizations |
| IADL | Instrumental Activities of Daily Living |
| ICF | Intermediate Care Facility |
| ICF/DD | Intermediate Care Facility/Developmentally Disabled |
| ICF/DD-H | Intermediate Care Facility/Developmentally Disabled-Habilitative |
| ICF/DD-N | Intermediate Care Facility/Developmentally Disabled-Nursing |
| IMD | Institution for the Mentally Disabled/ Institutes for Mental Disease |
| LPA | Licensing Program Analyst (CCL) |
| LTC | Long-term Care |
| LTCO | Long-term Care Ombudsman |
| LVN | Licensed Vocational Nurse |
| MAR | Medication Administration Record |
| MDS | Minimum Data Set: Standardized assessment and care planning tool |
| NASLTCOP | National Association of State Long-Term Care Ombudsman Program |
| NAT | Nussance Abetiment Team |
| NCCNHR | National Citizens' Coalition for Nursing Home Reform |
| NORS | National Ombudsman Reporting System |
| OAA | Older Americans Act |
| ODIN | Ombudsman Data Integration Network |
| OT | Occupational Therapy |
| P&I/PNA | Personal and Incidental Needs Allowance |
| PET | Psychiatric Emergency Team |
| PMRT | Psychiatric Mobile Response Team |
| POC | Plan of Correction |
| POLST | Physician Orders for Life-Sustaining Treatment |
| PRN | "Pro re nata" Latin for "As needed" |
| PSA 19 | Planning and Service Area 19: Los Angeles County |
| PSA 25 | Planning and Service Area 25: Los Angeles City |
| PSAs | Planning and Service Areas |
| PT | Physical Therapy |
| RCFE | Residential Care Facilities for the Elderly |
| RN | Registered Nurse |
| RPP | Residential Placement Protocol |
| SLTCOP | State Long-Term Care Ombudsman Program |
| SNF | Skilled Nursing Facility |
| SOC-341 | State of California- Report of Suspected Dependent Adult/Elder Abuse |
| SSI | Supplemental Security Income |
| SSP | State Supplemental Payment |
| TCU | Transitional Care Unit |
| WIC | Welfare and Institutions Code |
