A covered entity must try to limit the use or disclosure of PHI to the minimum necessary to achieve the research purpose.
This standard applies to the following:
Research pursuant to a waiver
Use/disclosure of decedents PHI
Uses preparatory to research
Limited Data Sets
Minimum Necessary Standard does not apply to the following:
Treatment disclosures or requests
Use or disclosure made with an authorization
Disclosures to the individual
Disclosures to DHHS for compliance
Disclosures required by law