Acronyms

Glossary

An acronym is a term formed from the initial letter or letters of each of the major parts of a compound term. This list explains acronyms found on the cms.hhs.gov web site and other acronyms that are commonly used. This list is not a legal document. Select one of the following letters to view the list of acronyms that begins with that letter.

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Glossary and Acronyms
Acronym Term
RDO Resource Definition Online
RDS The Retiree Drug Subsidy Program
RDS NUMBER see Plan Sponsor number
RDT&E Research, Development, Test & Evaluation
RE (Carrier) Reasonable Expectancies (or Expectations)
REA (U.S.) Rural Electrification Administration
REACH Regional Education About Choices in Health
REACT Return Check Action (MBR)
REBUS Renal Beneficiary & Utilization System
RECONS (Online) Reconsideration Information System