| ABS | Australian Bureau of Statistics |
| ACHI | Australian Classification of Health Interventions |
| ACIR | Australian Childhood Immunisation Register |
| AHD | Advanced Health Directive |
| AIR | Australian Immunisation Register |
| Admission | Hospital Admission |
| API | Application Programming Interface |
| Client | Patient |
| Co-Pay | Patient Admission Co-Payment |
| CTG | Cover the Gap programme |
| DRG | Diagnostic Related Grouping |
| DVA | Department of Veterans Affairs |
| ECF | Eligibility Check Fund ONLY |
| ECLIPSE | Electronic Claim Lodgement and Information Processing Service |
| EDI | HealthLink Electronic Data Interchange address |
| Entity | Provider (Billing or Non-Billing) |
| ERA | ECLIPSE Remittance Advice |
| Excess | Patient Admission Excess |
| FHIR | Fast Healthcare Interoperability Resources |
| GAP | Out-Of-Pocket (OOP) Known Gap Allowed |
| GPII | General Practice Immunisation Incentive |
| HCC | Health Concession Card |
| HI | Health Identifier |
| HPI-I | Healthcare Provider Identifier - Individual |
| HPI-O | Healthcare Provider Identifier - Organisation |
| HSP-O | Healthcare Support Service Provider - Organisation |
| HPOS | Health Provider Online Service |
| ICD | International Statistical Classification of Diseases and Related Health |
| ICU | Intensive Care Unit |
| IHC | In Hospital Claims (Hospital Admission) |
| IHI | Individual Health Identifier |
| IMC | In Hospital Medical Claim (Provider Claim) |
| IR | Interpreter Required |
| LIS | Laboratory Information System |
| LSPN | Location Specific Practice Number (Diagnostics) |
| MBS | Medicare Benefits Schedule |
| MHR | My Health Record |
| NASH | National Authentication Service for Health |
| NPPHC | National Private Patient Hospital Claim |
| OEC | Online Eligibility Check |
| OOP | Out-Of-Pocket (GAP) |
| OPV | Online Patient Verification |
| Participant ID | Health Fund Brand ID |
| PAS | Patient Administration System |
| PBS | Pharmaceutical Benefits Schedule |
| PCEHR | Personally Controlled Electronic Health Record / My Health Record (MHR) |
| PDS | Provider Directory System |
| PIP | Practice Incentive Payment |
| PKI | Public Key Infrastructure |
| POA | Power Of Attorney |
| OIS | Oncology Information System |
| RDLC | Report Definition Language Client |
| RIS | Radiology Information System |
| SMD | Secure Message Delivery |
| SMS | Short Message Service |
| Standard Procedure | Procedure mapped to Item Codes, ICD, DRG, Entities and Referrers |
| TBA | To Be Advised |
| UPI | Unique Position Indicator |
| VAED | Victorian Admitted Episodes Dataset |
| XML | eXtensible Markup Language |