This is the ValueSet that contains all the codes in Body Site - IPS (http://hl7.org/fhir/uv/ips/ValueSet/body-site-uv-ips) and Body Site - IPS (http://hl7.org/fhir/uv/ips/ValueSet/body-site-uv-ips). E.g. what you have to deal with if you get resources containing codes in either of them