This is the ValueSet that contains all the codes in Vital Sign Result Type (http://cts.nlm.nih.gov/fhir/ValueSet/2.16.840.1.113883.3.88.12.80.62) and US Pathology Section Codes (http://hl7.org/fhir/us/cancer-reporting/ValueSet/us-pathology-section-codes). E.g. what you have to deal with if you get resources containing codes in either of them