This code system http://terminology.hl7.org/CodeSystem/oms defines many codes, but they are not represented here

<status value="active"/> <experimental value="false"/> <date value="2019-03-20T00:00:00-04:00"/> <publisher value="TBD - External Body"/> <description value="The Omaha System provides standardized terms, definitions, and codes for observations and procedures, specifically for client problems, multidisciplinary interventions including those focusing on assessment and care, and problem-specific client outcomes."/> <caseSensitive value="true"/> <content value="not-present"/> </CodeSystem>