All A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Law Enforcement Official An officer or employee of any agency or authority of the United States, a State, a territory, a political subdivision of a State or territory, or an Indian tribe, who is empowered by law to: Investigate or conduct an official inquiry into a potential violation of law; or Prosecute or otherwise conduct a criminal, civil, or administrative proceeding arising from an alleged violation of law. Limited Data Set Information that does not include directly identifiable information. This limited data may be used for research, public health, and health care operations. To further protect privacy, the final Rule conditions disclosure of the limited data set on a covered entity and the recipient entering into a data use agreement, in which the recipient would agree to limit the use of the data set for the purposes for which it was given, and to ensure the security of the data, as well as not to identify the information or use it to contact any individual. Logical Observation Identifiers, Names and Codes (LOINC™): A set of universal names and ID codes that identify laboratory and clinical observations. These codes, which are maintained by the Regenstrief Institute, are expected to be used in the Claims Attachment standard mandated under HIPAA.