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 Sort descending Term
ANSCII American National Standard Code for Information Interchange
ANSI American National Standards Institute
ANSI X12 837 American National Standards Institute Health Data Committee X12 file format 837
AO Accreditation Organization
AOA Administration on Aging
AOA American Optometric Association
AOA American Osteopathic Association
AOLS All Other Local Screens
AONE American Organization of Nurse Executives
AOPA American Orthotic & Prosthetic Association