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Table 1 18 Categories of HIPAA PHI [3]

From: Survey on RNN and CRF models for de-identification of medical free text

Category

Names

Dates, except year

Telephone numbers

Geographic data

FAX numbers

Social security numbers

Email addresses

Medical record numbers

Account numbers

Health plan beneficiary numbers

Certificate/license numbers

Vehicle identifiers and serial numbers including license plates

Web URLs

Device identifiers and serial numbers

Internet protocol addresses

Full face photos and comparable images

Biometric identifiers (i.e. retinal scan, fingerprints)

Any unique identifying number or code