 | Oleg S. Pianykh - Medical - 2008 - 379 pages
...confidential attribute types, which have to be removed to protect patient's identity: 2. Locations: all geographic subdivisions smaller than a state,...precinct, zip code, and their equivalent geocodes. 3. Dates: all dates related to the subject of the information. For example: birth dates, admission... | |
 | April Pattavina - Computers - 2005 - 308 pages
...individual as well as those of every relative, employer, and household member of the individual: * Name ยป Geographic subdivisions smaller than a state, including street address, city, county, precinct, and zip code * All elements of dates (except year) directly related to an individual, including birth... | |
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The geographic unit formed by combining all zip codes with the same three initial digits contains more than 20,000 people... 
