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U.K. national health service number

Format

10-17 digits separated by spaces

Pattern

10-17 digits:

  • either 3 or 10 digits
  • a space
  • three digits
  • a space
  • four digits

Checksum

Yes

Keyword Highlighting

Supported

When keyword highlighting is supported in the contextual summary for a sensitive information type or a trainable classifier, in the Contextual Summary view of activity explorer, the keywords in a document that were matched to a policy are highlighted.

Definition

A DLP policy has high confidence that it's detected this type of sensitive information if, within a proximity of 300 characters:

  • The function Func_uk_nhs_number finds content that matches the pattern.
  • One of the following cases is true:
    • A keyword from Keyword_uk_nhs_number is found.
    • A keyword from Keyword_uk_nhs_number1 is found.
    • A keyword from Keyword_uk_nhs_number_dob is found.
  • The checksum passes.
<!-- U.K. NHS Number -->
<Entity id="3192014e-2a16-44e9-aa69-4b20375c9a78" patternsProximity="300" recommendedConfidence="85">
    <Pattern confidenceLevel="85">
        <IdMatch idRef="Func_uk_nhs_number" />
        <Any minMatches="1">
          <Match idRef="Keyword_uk_nhs_number" />
          <Match idRef="Keyword_uk_nhs_number1" />
          <Match idRef="Keyword_uk_nhs_number_dob" />
        </Any>
    </Pattern>
</Entity>

Keywords

Keyword_uk_nhs_number

  • national health service
  • nhs
  • health services authority
  • health authority

Keyword_uk_nhs_number1

  • patient id
  • patient identification
  • patient no
  • patient number

Keyword_uk_nhs_number_dob

  • GP
  • DOB
  • D.O.B
  • Date of Birth
  • Birth Date