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| Assigned Claims |
Claims from Part B provider, accepted as payment in full |
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| AAPCC |
Adjusted Average Per Capita Cost |
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| AAR |
Approval, Adjustment or Reject Response |
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| ACR |
Adjusted Community Rate |
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| ACRP |
Adjusted Community Rate Proposal |
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| ADG-HOSDOM |
Ambulatory Diagnostic Group-Hospital Dominant (type of comprehensive risk adjustment model) |
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| AHIMA |
American Health Information Management Association |
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| ANSI |
American National Standards Institute |
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| ANSI X12 837 |
Variable length file format for electronic submission of claim data (developed by the American National Standards Institute's Health Data Committee X12) |
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| APC |
Ambulatory Payment Class (payment type under outpatient PPS) |
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| BBA |
Balanced Budget Act (1997) |
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| BBRA |
Balanced Budget Refinement Act (1999) |
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| CPT-4 |
Current Procedural Terminology, 4th edition (for coding physician services and procedures) |
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| CSSC |
Customer Service and Support Center |
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| Carrier |
Company through whom Medicare Part B Claims are submitted to HCFA |
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| CCI |
Correct Coding Initiative (type of edit to detect unbundling of claims or claims that should not appear together) |
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| CD-RISC |
Clinically Detailed Risk Information System for Costs (type of comprehensive risk adjustment model) |
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| CHPP |
Center for Health Plans and Providers |
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| CLIA |
Clinical Laboratory Improvement Amendments |
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| CMS |
Centers for Medicare and Medicaid Services (formerly HCFA) |
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| COB |
Coordination of Benefits |
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| CORF |
Comprehensive Outpatient Rehabilitation Facility |
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| CWFM |
CWF Maintenance Contractor |
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| CWF |
Common Working File (National file of Medicare claims) |
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| CPO |
Care Plan Oversight (category of claims for home health services) |
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| DMERC |
Durable Medical Equipment Regional Carrier |
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| DRG |
Diagnosis Related Group |
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| DNC |
Data Network Contractor |
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| DMEPOS |
Durable Medical Equipment, Prosthetics, Orthotics, and Supplies |
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| DCN |
Document Control Number (See also ICN - Internal Control Number) |
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| DCG |
Diagnostic Cost Group |
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| EDI |
Electronic Data Interchange |
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| ERA |
Electronic Remittance Advice |
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| EOMB |
Explanation of Medicare Benefits |
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| ESRD |
End Stage Renal Disease |
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| EIN |
Employer Identification Number |
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| EMC |
Electronic Media Claim |
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| FISS |
Fiscal Intermediary Standard System |
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| FTP |
File Transfer Protocol |
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| GROUCH |
GHP Report Output User Communication Help |
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| HIPAA |
Health Insurance Portability and Accountability Act |
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| HEDIS |
Health Employer Data and Information Set (A standard measure of quality of care) |
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| HCFA 1450 |
Medicare Part A claim filing form/form used for Inpatient AND Outpatient Encounter Coding (Also called UB-92) |
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| HPSA |
Health Professional Shortage |
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| HCFA |
Health Care Financing Administration (now called CMS) |
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| HPMS |
Health Plan Management System |
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| H number |
Identification number (contract number) for Medicare+Choice Organizations |
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| HICN |
Health Insurance Claim Number |
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| HCPCS |
HCFA Common Procedure Coding System (Uses three levels of codes: CPT-4, alphanumeric, and local codes) |
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| HCIS |
HCFA Customer Information System |
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| HCFA 1500 |
Medicare Part B claim filing form/form used for Physician Encounter Coding |
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| HCC |
Hierarchical Coexisting Condition (type of comprehensive risk adjustment model) |
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| Intermediary |
Company through whom Medicare Part A Claims are sent to HCFA |
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| INFOMAN |
CWF Information Management System |
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| ICN |
Internal Code Number (See also DCN - Document Control Number) |
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| ICD-9-CM |
International Classification of Diseases - 9th Edition - Clinical Modification (for coding diagnoses) |
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| LMRPS |
Local Medical Review Policies |
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| MBR |
Master Beneficiary Record |
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| MSN |
Medicare Summary Notice |
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| MSP |
Medicare Secondary Payer |
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| MPFSDB |
Medicare Physician Fee Schedule Database |
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| MedPAC |
Medical Payment Advisory Commission |
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| MED |
Medicare Exclusion Database |
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| MDCN |
Medicare Data Communications Network |
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| MDC |
Major Diagnostic Category |
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| MCS |
Multi Carrier System (Medicare Part B standard claims processing system) |
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| MCO |
Managed Care Organization |
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| MCCOY |
Managed Care Option Information System (Used to view beneficiary information) |
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| M+CO |
Medicare + Choice Organization |
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| M+C NSF |
Medicare + Choice National Standard Format |
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| NPI |
National Provider Identifier |
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| NOC |
Not Otherwise Classified |
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| NSF |
National Standard Format |
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| NCH |
National Claims History |
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| OCE |
Outpatient Code Editor |
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| OIG |
Office of the Inspector General [HHS] |
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| OMB |
Office of Management and Budget |
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| OPL |
Operational Policy Letter |
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| OSCAR |
Online Survey and Certification Reporting System |
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| PFFS |
Private Fee-for-Service Plan |
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| PRO |
Professional Review Organization; Peer Review Organization |
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| PPS |
Prospective Payment System |
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| POS |
Place of Service or Point of Service |
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| Physician |
For encounter processing, any eligible individual who provides clinical services (including nonphysician practitioners and other suppliers) |
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| PACE |
Program of All-Inclusive Care for the Elderly |
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| Palmetto |
GBA Palmetto Government Benefits Administrators |
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| PIP-DCG |
Principal Inpatient Diagnostic Cost Group |
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| QISMC |
Quality Improvement System for Managed Care |
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| RTP |
Return to Provider/Plan |
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| SNF |
Skilled Nursing Facility |
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| SMI |
Supplementary Medical Insurance (Part B) |
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| TPA |
Third Party Administrator |
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| TCP/IP |
Transmission Control Protocol/Internet Protocol |
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| UB-92 |
HCFA Medicare Part A Form/Form used for Hospital Inpatient AND Outpatient Encounter Data filing. (Also called HCFA 1450 Form) |
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| UPIN |
Unique Physician Identification Number |
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