This is the ValueSet that contains all the codes in US Core Specimen Condition (http://hl7.org/fhir/us/core/ValueSet/us-core-specimen-condition) and US Core Specimen Condition (http://hl7.org/fhir/us/core/ValueSet/us-core-specimen-condition). E.g. what you have to deal with if you get resources containing codes in either of them