Information that does not identify an individual is considered deidentified. That means the data is no longer PHI and isn't subject to the same rules as identifying health information - think "white female in Oklahoma" versus "June Thompson in Tulsa."
Use this chart to easily recognize and remove patient identifiers from your e-mail. Tip: Distribute the list to all employees with e-mail access. Tell them that any information in their message that also appears in this list must be removed before they click 'Send.'