This is the ValueSet that contains all the codes in Body Structure Laterality for specimen. (https://ncez.mzcr.cz/terminology/ValueSet/cz-specimen-laterality) and Body Structure Laterality for specimen. (https://ncez.mzcr.cz/terminology/ValueSet/cz-specimen-laterality). E.g. what you have to deal with if you get resources containing codes in either of them