| A |
| AB | Allowed Benefit |
| AHA | American Hospital Association |
| AMA | American Medical Association |
| ASC | Administrative Service Contract or Ambulatory Surgical Center |
| B |
| BCBSMD | Blue Cross and Blue Shield of Maryland |
| BCBSNCA | Blue Cross and Blue Shield of the National Capital Area |
| BUCS | Blue United Cross and Shield (Credit Union) |
| | |
| C |
| C&S | Claims and Service |
| CARE | Consolidated Adjudication and Reimbursement System |
| COB | Coordination of Benefits |
| COBRA | COBRA Consolidated Omnibus Budget Reconciliation Act of 1986 |
| COMP | Comprehensive Insurance |
| CPT | Current Procedural Terminology |
| D |
| DHMH | Department of Health and Mental Hygiene |
| DHP | Delmarva Health Plan |
| DMO | Dental Maintenance Organization |
| E |
| ER | Emergency Room |
| ECF | Extended Care Facility |
| EOHB | Explanation of Healthcare Benefits |
| EOMB | Explanation of Medicare Benefits |
| F |
| FDA | Food and Drug Administration |
| FEP/FEHP | Federal Employee Program/Federal Employee Health Plan |
| FSHP | FreeState Health Plan |
| H |
| HCACC | Health Care Access and Cost Commission |
| HCFA | Health Care Financing Administration (Medicare) |
| HIAA | Health Insurance Association of America |
| HMO | Health Maintenance Organization |
| HSCRC | Health Services Cost Review Commission |
| I |
| ICM | Individual Case Management |
| IHM | Integrated Health Management |
| IMD | Individual Market Division |
| IP | Inpatient |
| J |
| JCAH | Joint Commission on the Accreditation of Hospitals |
| L |
| LPN | Licensed Practical Nurse |
| LPT | Licensed Physical Therapist |
| M |
| MB | Medical Benefits |
| MCO | Managed Care Organization |
| MED-CHI | Medical & Chirurgical Faculty of Maryland |
| MEOB | Medicare Explanation of Benefits |
| MHA | Maryland Hospital Association |
| MM | Major Medical |
| MPOS | Maryland Point of Service |
| MSSOP | Mandatory Second Surgical Opinion Program |
| N |
| NAIC | National Association of Insurance Commissioners |
| NASCO | National Account Service Corporation |
| NMIS | National Management Information System |
| NCQA | National Committee for Quality Assurance |
| O |
| OCL | Outstanding Claims Liability |
| OOP | Out-of-Pocket |
| OP | Outpatient |
| OPAP | Outpatient Pre-Treatment Authorization Plan |
| OPL | Other Party Liability |
| P |
| PAR | Participating (plan, hospital, physician, etc.) |
| PCP | Primary Care Physician |
| PDR | Physicians Desk Reference |
| PIP | Personal Injury Protection/Proposal and Installment Process |
| PPA | Preferred Provider Arrangement |
| PPN | Preferred Provider Network |
| PPO | Preferred Provider Organization |
| PT | Physical Therapist |
| Q |
| QA | Quality Assurance |
| R |
| RFP | Request for Proposal |
| RPT | Registered Physical Therapist |
| RX | Prescription Drug |
| S |
| SRO | Self Referral Option |
| SSA | Social Security Administration |
| SSOP | Second Surgical Opinion |
| T |
| TPA | Third Party Administrator |
| U |
| UCP | Utilization Control Program |
| UCP+ | Utilization Control Program Plus |
| UR | Utilization Review |
| V |
| VSSOP | Voluntary Second Surgical Opinion |
