American National Standards Institute An organization that accredits various standards-setting committees, and monitors their compliance with the open rule-making process that they must follow to qualify for ANSI accreditation. HIPAA prescribes that the standards mandated under it be developed by ANSI-accredited bodies whenever practical. Related Terms: Accredited Standards Committee; American National Standards; Legislation Files Containing This Term: legislation/45CFR-160.103.html