This is the CodeSystem that contains codes in both SNOMED CT (http://snomed.info/sct) and SNOMED CT (http://snomed.info/sct).
This code system http://hl7.org/fhir/comparison/CodeSystem/13d1e353-67c9-4a61-8c9c-d568182dcf50-9
defines codes, but no codes are represented here