The ”level” property type <component being measured> “level” E.g. for the component ”enzyme” the property type for an instance might be “mass concentration” or an “enzymic activity level” ”level” = ”concentration” or ”activity”? ”level” = ”concentration” and ”activity”? ”level” = ”(at least and at least some) ordinal scale observable”? Ordinal = interpretation of quantity? ”level” local synonym to ”concentration”, ”activity” Should not be represented in the international release

C-NPU example NPU02542 Pt—Lactose tolerance; k-o-p(list; lactose p.o.; proc.) … NPU08516 B—Glucose; subst.c.(15 min) = ? mmol/l NPU08504 B—Glucose; subst.c.(30 min) = ? mmol/l NPU08502 B—Glucose; subst.c.incr.(max. c. minus 0 min c.; proc.) = ? mmol/l NPU10463 B—Lactose; subst.c.(0 min) = ? mmol/l NPU18845 B—Lactose; subst.c.(15 min) = ? mmol/l