This is the ValueSet that contains codes in both 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).