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<status value="retired"/> <experimental value="false"/> <date value="2021-11-09T10:00:00+10:00"/> <publisher value="TBD - External Body"/> <contact> <name value="Paul Frosdick, NHS Information Authority"/> </contact> <description value="The Read Codes Version 2 contains over 70,000 coded concepts arranged in a hierarchical structure. Top level hierarchy sections: Disorders Findings Surgical procedures Investigations Occupations Drugs"/> <caseSensitive value="true"/> <content value="not-present"/> </CodeSystem>