
### Profile specific implementation guidance

- This Complex Extension for ethnicity allows one or more ethnicity codes of which:

  - [Must Support] one code from OMB Ethnicity Categories
  - May include additional ethnicity codes from CDC Ethnicity Codes
  - Must include a text description of ethnicity

- An [`ethnicity`] search parameter has been defined for this extension.  However, there are no ethnicity search requirements for the Client or Server.

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