This is the ValueSet that contains all the codes in Lab Test - Qualitative Result - DIVOC (http://smart.who.int/ddcc/ValueSet/LabTestQualitativeResultDivocValueSet) and Lab Test - Qualitative Result - DIVOC (http://smart.who.int/ddcc/ValueSet/LabTestQualitativeResultDivocValueSet). E.g. what you have to deal with if you get resources containing codes in either of them