Skip to main content
. 2021 Jun 9;7:e568. doi: 10.7717/peerj-cs.568

Table 1. Information removed in a limited dataset and in a de-identified dataset via Safe Harbor.

The difference between both is indicated in italic.

Limited dataset De-identified dataset
(Safe Harbor method)
Direct identifiers - names - names
- postal address information - postal address information
- telephone numbers - telephone numbers
- fax numbers - fax numbers
- email addresses - email addresses
- social security numbers - social security numbers
- medical record numbers - medical record numbers
- health plan beneficiary numbers - health plan beneficiary numbers
- account numbers - account numbers
- certificate/license numbers - certificate/license numbers
- vehicle identifiers - vehicle identifiers
- device identifiers - device identifiers
- URLs - URLs
- IP addresses - IP addresses
- biometric identifiers - biometric identifiers
- full face photographs - full face photographs
- any other unique identifying number
Quasi-identifiers - town, city
- dates (e.g., birth-date)