ACH Automated Clearing House

AMA American Medical Association

AMA Against medical advice, notation made in the record of a patient who leaves an inpatient setting against the physician's advice.

ARU Automated Response Unit

BPI Bytes Per Inch

CCD+ Cash Concentration/Disbursement Plus

CIA Coverage Issues Addendum

CIM Coverage Issues Manual

DHHS Department of Health and Human Services

DME Durable Medical Equipment

DMEPOS Durable Medical Equipment Prosthetics, Orthotics and Supplies

DMERC Durable Medial Equipment Regional Carrier

EFT Electronic Funds Transfer

EIN Employer Identification Number

EMC Electronic Media Claim

ERN Electronic Remittance Notice

FFS Fee For Service - Fee For Service is the full-billed charge a provider invoices an insurer for services rendered.

HCFA HealthCare Financing Administration- the federal agency within the U.S. Department of Health and Human Services that is responsible for administration of Medicare and the federal portion of Medicaid.

HCPCS HCFA Common Procedure Coding System

HI Hospital Insurance Program (Part A)

HICN Health Insurance Claim Number

ICC Individual Claim Consideration

MSP Medicare Secondary Payor

NACHA National Automated Clearing House Association

NOC Not Otherwise Classified

NSC National Supplier Clearinghouse

NSF National Standard Format

OCHAMPUS Office of Civilian Health & Medical Program of the Uniformed Services

OCNA Other Carrier Name Address

OCNA Other Carrier Name Address

SADMERC Statistical Analysis DMERC

SSN Social Security Number