| A | B |
| ABD | "Aged, Blind & Disabled" |
| ABP | Alternative Benefits Program |
| ACES | Automated Client Eligibility System |
| ADATSA | Alcohol & Drug Abuse Treatment & Support Act |
| AEM | Alien Emergency Medical |
| ALF | Assisted Living Facility |
| BCCTP | Breast and Cervical Cancer Treatment Program |
| BSP | Benefit Services Package |
| CCC | Centene Coordinated Care |
| CHPW | Community Health Plan of WA |
| CMS | Centers for Medicare & Medicaid Services |
| CNP | Categorically Needy Program |
| CSO | Community Service Office |
| DSHS | Department of Social & Health Services |
| EEV | Electronic Eligibility Verification |
| ERSO | Emergency Related Services Only |
| FPL | Federal Poverty Level |
| FPSO | Family Planning Services Only |
| HCA | Health Care Authority |
| HMO | Health Maintenance Organization |
| HO | Healthy Options |
| HOBD | Healthy Options Blind & Disabled |
| IPCO | Inpatient Psychiatric Care Only |
| LCP | Limited Casualty Program |
| MAGI | Modified Adjusted Gross Income |
| MCS | Medicare Care Services |
| MHC | Molina Health Care |
| MNP | Medically Needy Program |
| MSP | Medicare Savings Program |
| PCCM | Primary Care Case Management |
| QDWI | Qualified Disability Working Individual |
| QI-1 | Qualified Individual 1 |
| QMB | Qualified Medicare Beneficiary |
| RAC | Recipient Aid Category |
| SLMB | Special Low Income Medicare Beneficiary |
| SSDI | Social Security Disability Insurance |
| TANF | Temporary Assistance for Needy Families |
| TCFPO | Take Charge - Family Planning Services Only |
| UHC | United HealthCare |