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