This is the ValueSet that contains codes in both CH LAB-Report Codes for Erythrocyte Distribuiton Width Test (http://fhir.ch/ig/ch-lab-report/ValueSet/observation-code-entsvol-ratio) and CH LAB-Report Codes for Erythrocyte Distribuiton Width Test (http://fhir.ch/ig/ch-lab-report/ValueSet/observation-code-entsvol-ratio).