/kg{body_wt} (common UCUM unit valueset) <-> /kg{body'wt} (UCUM specification)

[BfArM-LOINC-UCUM]

The annotation which describes kg body weight differs in the code representation between the UCUM specification and the Common UCUM unit list.
Although it is "only" an annotation, I guess that the codes correspond to each other and as code should have the same sequence of characters.

Kind regards
Jeremy