The Occupational Data for Health (ODH) occupation value set is derived from the Standard Occupational Classification (SOC) system. SOC is a federal statistical standard used by federal agencies to classify workers into occupational categories for the purpose of collecting, calculating, or disseminating data. This value set includes all codes from the SOC 2018 version release, international codes from the International Standard Classification of Occupations (ISCO) 2008 version release, plus a "Not Coded" concept. ISCO is copyright International Labour Organization (ILO). Terms & Conditions in https://www.ilo.org/rights-and-permissions