This is the ValueSet that contains all the codes in Mã thủ thuật ICD-9-CM — VN Core ICD-9-CM Procedure ValueSet (http://fhir.hl7.org.vn/core/ValueSet/vn-icd9-cm-vs) and Mã thủ thuật ICD-9-CM — VN Core ICD-9-CM Procedure ValueSet (http://fhir.hl7.org.vn/core/ValueSet/vn-icd9-cm-vs). E.g. what you have to deal with if you get resources containing codes in either of them