Glossary

Glossary and Acronyms
Term	Definition Sort descending
NATIONAL CENTER FOR HEALTH STATISTICS	A federal organization within the CDC that collects, analyzes, and distributes health care statistics. The NCHS maintains the ICD-n-CM codes.
PAY-AS-YOU-GO FINANCING	A financing scheme in which taxes are scheduled to produce just as much income as required to pay current benefits, with trust fund assets built up only to the extent needed to prevent exhaustion of the fund by random fluctuations.
DEFICIENCY (NURSING HOME)	A finding that a nursing home failed to meet one or more federal or state requirements.
ELECTRONIC MEDIA CLAIMS	A flat file format used to transmit or transport claims, such as the 192-byte UB-92 Institutional EMC format and the 320-byte Professional EMC NSF.
CERTIFICATE OF MEDICAL NECESSITY	A form required by Medicare that allows you to use certain durable medical equipment prescribed by your doctor or one of the doctor’s office staff.
DATA SUPPORT ACCESS FACILITY ACCESS FORM	A form that is required for access to Leg 1 (Enrollment Database (EDB)) and, Leg 2 (Medicare Provider Analysis and Review(MEDPAR)) of the Data Support Access Facility.
CENTERS FOR MEDICARE & MEDICAID SERVICES DATA CENTER USER FORM	A form that is required for access to the CMS data center.
DATA EXTRACT SYSTEM ACCESS FORM	A form that is required for access to the DESY system. This system replaces the Data Support Access Facility (DSAF).
DATA USE CHECKLIST	A form used to provide pertinent information about the data request and identifies the identifiable data being processed.
NCA RECONSIDERATION	A formal reconsideration can be requested if the requestor presents documentation that meets either of the following criteria: additional medical material or scientific information that was not considered during the initial review; or arguments that our conclusion materially misinterpreted the existing evidence at the time the NCD was made. The ôRö at the end of the tracking number (e.g, CAG-0000R) indicates a reconsideration. Further reconsiderations are annotated with a number after the ôRö, e.g., R2, R3, etc.