[18 ] Private -

IP addresses, website URLs, and even device serial numbers.

In the digital age, your medical record is more than just a list of symptoms; it is a complex "digital DNA" profile. To prevent this sensitive data from being misused, federal law establishes a strict perimeter known as the . [18 ] Private

Fingerprints, retinal scans, and full-face photographic images. IP addresses, website URLs, and even device serial numbers

To be considered truly "de-identified"—and thus safe for research or public data sets—all 18 of these specific data points must be removed. These include obvious details like names and Social Security numbers, but also less apparent markers: but also less apparent markers: