| A | B |
| AB | Antibiotic |
| ADD'L | Additional |
| ADM | Admission, admitted, admitting department |
| ALOS | Anticipated Length of stay |
| ANTIC | Anticipate |
| AODA | Alcohol & other drug abuse |
| AP | Attending Physician |
| APPT | Appointment |
| APPY | Appendectomy |
| ASM | Answering Service Message |
| AUTH | Authorization |
| BC or BX | Blue Cross |
| BEN | Benefits |
| BO or BUS OFC | Business Office |
| B/R | Billing relationship |
| CB | Call Back |
| CC | Compcare |
| CHEMO | Chemotherapy |
| CG | Caregiver |
| COB | Coordination of Benefits |
| COM | Comments |
| CON | Concurrent |
| COV | Coverage |
| CS | Customer Service |
| CTY | County |
| CX'D | Canceled |
| CXDT | Cancellation Date |
| DC or D/C | Discharge |
| DC'D | Discharged: Discontinued |
| DEM/VIS | Demerol/Vistaril |
| DLOS | Day length of stay |
| DOC | Document |
| DS MNGMT | Disease Management |
| DX | Diagnosis |
| EDC | Estimated date of confinement |
| EFDT | Effective Date |
| ELIG | Eligibility Screen |
| ENV | Environment |
| EOB | Explanation of Benefits |
| EXT | Extension |
| FEP | Federal Employee Program |
| FFS | Family financial Service |
| FS | Field Status |
| GRP | Group |
| HMO | Health Maintenance Organization |
| HOSP | Hospital |
| HRS | Health Related Systems |
| HWY | Highway |
| ICM | Individual Case Management |
| ID | Identification |
| IMP | Individualized management Program |
| INFO | Information |
| INPT | Inpatient |
| INS | Insurance |
| LCD | Last certified day |
| LMTCB | Left message to call back |
| LOS | Length of Stay |
| LTR | Letter |
| MBR | Member, membership |
| *MBR | Member benefit review |
| MC | Managed Care |
| MCI | Managed Care Indicator |
| MDX | Multiple Diagnosis |
| MDX O | Multiple Diagnosis, Operated |
| MED REV | Member Review |
| MID | Memembership Identification |
| MR | Medical Records Department |
| MSSO | Mandatory Second Surgical Opinion |
| MSG | Message |
| NBS | Night Before Surgery |
| NM | NADR (name & address) by name |
| NN | NADR by number |
| NP | Next page |
| NVD, NSVD | Normal (spontaneous) vaginal delivery |
| OED | Original effetive date |
| OFC | OFC-MD office, unless otherwise specified |
| OOO | Out of Office |
| OP or O/P | Outpatient |
| OPP | Outpatient psych |
| ORTH | Orthopedic |
| Other Cov Prime | Other coverage prime |
| PA | Physician advisor/consultant |
| PAS | Professional activity study |
| PCP | Primary Care Physician |
| PFS | Patient Financial Service |
| PKG | Package |
| PKWY | Parkway |
| POS | Point of Service |
| PPI | Priority Processing indicator |
| PRE or PREADM | Preadmission |
| PROB | Problem |
| PROV | Provider |
| PS | Provider Service |
| Psych | Psychiatric |
| PT | Patient |
| PT Accts | Patient accounts |
| PT Info | Patient information |
| Qual | Qualification |
| RC | Return Call |
| RE | Regarding |
| REC | Recommendation |
| REF | Referred |
| REQ | Request |
| REV | Review |
| Rev Date or R.D. | Review Date |
| REV In PROD | Review in progress |
| REV Pro REQ | Review program Requirements |
| RSN | Reason |
| SDA | Single day admission |
| SDX | Single Diagnosis |
| SDX OP or SOP DX | Single diagnosis, operated |
| SSA | Selective Severity Assessment |
| SSO | Second Surgical Opinion |
| STE | Suite |
| TC | Telephone Call |
| TCF | Telephone Call From |
| TCT | Telephone Call To |
| TELE | Telemetry |
| TOC | Type of Contract |
| TX | Treatment |
| TYP | Type |
| UR | Utilization Review |
| VSSO | Voluntary second surgical opinion |
| W/ | With |
| WCB | Will call back |
| XRF | Cross Reference |