O
Office for Civil Rights
The HHS entity responsible for enforcing the HIPAA privacy rules.
Office of Management & Budget (OMB)
A Federal Government agency that has a major role in reviewing proposed Federal regulations.
Off-Site Storage
An alternate facility, other than the main facility, where duplicated vital records and documentation may be stored for use during recovery from a disaster.
OIG
Office of the Inspector General.
Open System Interconnection (OSI)
A multi-layer ISO data communications standard. Level Seven of this standard is industry-specific, and HL7 is responsible for specifying the level seven OSI standards for the health industry.