| ANSI | American National Standards Institute |  | 
        
        
			| ASCA | Administrative Simplification Compliance Act |  | 
        
        
			| CCN | Claim Control Number | Number assigned to claims accepted by CEDI to be used to track claims processed by the DME MACs. Also referred to as ICN. Example: 09057850011000 | 
        
        
			| CCP | CEDI Claims Portal | The CEDI Claims Portal (CCP ) provides a web based claim entry option for Medicare Durable Medical Equipment (DME ) suppliers with small claim volumes. | 
        
        
			| CEDI | Common Electronic Data Interchange | Electronic gateway for the exchange of Medicare DME transactions | 
        
        
			| CMN | Certificate of Medical Necessity | A certificate that supports the need of a DME item | 
        
        
			| CSI | Claim Status Inquiry | Allows suppliers to access claim status and beneficiary eligibility data. Supported by the individual DME MACs. | 
        
        
			| CWF | Common Working File | A record containing a beneficiary’s complete entitlement, utilization, history, Medicare Secondary Payer (MSP), and Health Maintenance Organization (HMO) data. | 
        
        
			| DME | Durable Medical Equipment | Medical equipment used at the patient’s place of residence that contributes to a better quality of life and can be used over an extended period of time. | 
        
        
			| DME MAC | Durable Medical Equipment Medicare Administrative Contractor |  | 
        
        
			| DMEPOS | Durable Medical Equipment, Prosthetics, Orthotics, and Supplies |  | 
        
        
			| EDI | Electronic Data Interchange |  | 
        
        
			| EFT | Electronic Funds Transfer | Direct deposit of Medicare payments to the supplier’s bank account. Supported by the individual DME MACs. | 
        
        
			| EMC | Electronic Media Claims |  | 
        
        
			| EOB | Explanation of Benefits | Detail description of benefits paid for a claim provided to the beneficiary | 
        
        
			| ERA | Electronic Remittance Advice | A detailed electronic report of payments/non-payments made by Medicare provided to the supplier. Also was referred to as an Electronic Remittance Notice (ERN) | 
        
        
			| HCPCS | Healthcare Common Procedure Coding System | A code used to identify products, supplies, and services. Also referred to as a procedure code | 
        
        
			| HETS | HIPAA Eligibility Transaction System | HIPAA Eligibility Transaction System (HETS) allows users to exchange HIPAA compliant ANSI ASC X12 270/271 transactions for the purpose of checking Medicare eligibility. | 
        
        
			| HIPAA | Health Insurance Portability & Accountability Act | Requires the establishment of national standards for electronic health care transactions and national identifiers for providers, health insurance plans, and employers | 
        
        
			| ICN | Internal Control Number | Requires the establishment of national standards for electronic health care transactions and national identifiers for providers, health insurance plans, and employers | 
        
        
			| MAC | Medicare Administrative Contractor |  | 
        
        
			| NCPDP | National Council for Prescription Drug Programs | A format used by retail pharmacies that transmit DME retail drug claims electronically. | 
        
        
			| NDC | National Drug Code | The NDC replaces the HCPCS codes for retail pharmacy drug transactions billed to DME MACs via the NCPDP standard. | 
        
        
			| NPEAST | National Provider Enrollment Eastern Region | Entity who assigns unique numbers for suppliers in the Eastern Region that identifies the applicant as a DMEPOS supplier. The unique number is referred to as a PTAN or supplier number. | 
        
        
			| NPI | National Provider Identifier | Unique identifier assigned by the NPPES to health care providers. Example: 1234567891 | 
        
        
			| NPPES | National Plan & Provider Enumeration System | Entity who assigns unique identifiers for health care providers and health plans as mandated by HIPAA (NPI) | 
        
        
			| NPWEST | National Provider Enrollment Western Region | Entity who assigns unique numbers for suppliers in the Western Region that identifies the applicant as a DMEPOS supplier. The unique number is referred to as a PTAN or supplier number. | 
        
        
			| NSV | Network Service Vendor | Entity who offers connectivity over a dedicated line to a Medicare contractor including CEDI | 
        
        
			| PECOS | Provider Enrollment , Chain and Ownership System | PECOS is the Internet-based Medicare enrollment system. For more information visit http://www.cms.gov | 
        
        
			| PTAN | Provider Transaction Access Number | Unique supplier number assigned by the National Provider Enrollment (NPEAST/NPWEST). This number is 10 digits and typically ends in a 0001, 0002, 0003, or something similar. | 
        
        
			| TP | Trading Partner | Submitter who exchanges electronic transactions with CEDI. Also referred to as a submitter or sender. | 
        
        
			| TP ID | Trading Partner Identifier | Unique identifier used by the Trading Partner (Submitter/Sender) assigned by CEDI. Example: B08123456 This will begin with A08, B08, C08, or D08 followed by 6 digits. |