Union of http://www.cms.gov/Medicare/Coding/ICD10 and http://www.cms.gov/Medicare/Coding/ICD10

This is the CodeSystem that contains all the codes in ICD-10 Procedure Codes (http://www.cms.gov/Medicare/Coding/ICD10) and ICD-10 Procedure Codes (http://www.cms.gov/Medicare/Coding/ICD10). E.g. what you have to deal with if you get resources containing codes in either of them

CodeSystem