ISO 3166-1 Country Codes
ISO 3166-2 Country SubDivisions
ISO 3166-3 Formerly Existing Countries
ISO 4217 Country Currency Codes
ISO 639-2 Language Codes
United Nations Standard Products and Services Code (UNSPSC)
United Nations International Commerce Terms (INCOTERMS)
HIPAA Provider Taxonomy Codes
HIPAA HealthCare Common Procedure Codes (HCPCS)
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