Examples of identifiers that are considered protected health information (PHI):
• Names: not just the patient, but also relatives, household members, and employers
• Dates (except for year): birth, death, admission, discharge, injury, service, surgery
• Numbers: medical record, account, Social Security, prosthetic device, telephone
• Addresses: any geographic subdivision smaller than a state, (street, city, county, zip)
• Graphics: photographs, x-rays and other images, video recordings, voice prints, finger prints
Any one of these can be considered PHI.