The 18 Protected Health Information Identifiers

Names
Geographic subdivisions smaller than a state, Geocodes (e.g.-> zip, county, or city codes; street addr, etc)
Dates. All elements of dates except year, unless individual is > 89 yrs. (e.g.-> birth date, admission date, etc)
Telephone numbers
Fax numbers
Electronic mail addresses
Social security numbers
Medical record numbers
Health plan beneficiary numbers
Account numbers
Certificate/license numbers
Vehicle identifiers and serial numbers (including license plate numbers)
Device identifiers and serial numbers
Web Universal Resource Locator (URL)
Internet protocol (IP) address number
Biometric identifiers (including finger or voice prints)
Full face photographic images and any comparable images
Any other unique identifying number, characteristic, or code

Security Incident