| Term | Definition |
| AHIC |
American Health Information Community (and AHIC Successor, Inc.) |
| AHRQ |
Agency for Healthcare Research and Quality |
| ARRA |
American Recovery and Reinvestment Act of 2009 |
| CBO |
Congressional Budget Office |
| CCHIT |
Certification Commission for Health Information Technology |
| CCOW |
Clinical Context Management Specification |
| CCR |
Continuity of Care Record |
| CMS |
Centers for Medicare and Medicaid Services |
| CPOE |
Computerized Provider Order Entry |
| DHHS |
Department of Health and Human Services |
| DICOM |
Digital Imaging and Communications in Medicine |
| DRG |
Diagnosis Related Group |
| EHR |
Electronic Health Record |
| ELINCS |
EHR-Lab Interoperability and Connectivity Standards |
| FCC |
Federal Communications Commission |
| FFP |
Federal Financial Participation |
| FQHC |
Federal Qualified Health Centers |
| HIE |
Health Information Exchange |
| HIMSS |
Healthcare Information and Management Systems Society |
| HIPAA |
Health Information Portability and Accountability Act |
| HIT |
Healthcare Information Technology |
| HITECH |
Act Health Information Technology for Economic and Clinical Health Act |
| HITRC |
Health Information Technology Research Center |
| HITSP |
Health Information Technology Standards Panel |
| HL7 |
Health Level Seven |
| HL7 CDA |
Clinical Document Architecture |
| HRSA |
Health Resources and Services Administration |
| IHE |
Integrating the Healthcare Enterprise |
| LOINC |
Logical Observation Identifiers Names and Codes |
| NCPDP |
National Council for Prescription Drug Programs |
| NeHC |
National eHealth Collaborative.
Latest iteration of the AHIC and the AHIC Successor, Inc. organization. |
| NHIN |
Nationwide Health Information Network |
| NIST |
National Institute of Standards and Technology |
| NSF |
National Science Foundation |
| OMB |
Office of Management and Budget |
| ONC |
Office of the National Coordinator |
| ONCHIT |
Office of the National Coordinator of Health Information Technology |
| PHI |
Protected Health Information |
| PHR |
Personal Health Record |
| PQRI |
Physician Quality Reporting Initiative |
| REC |
Regional Extension Centers |
| RHIO |
Regional Health Information Organization |
| SGR |
Sustainable Growth Rate |
| SNOMED |
Systematized Nomenclature of Medicine Clinical Terms |
| Title XIII |
Health Information Technology for Economic and Clinical Health Act |