Intersection of http://smart.who.int/hiv/ValueSet/HIV.C.DE31 and http://smart.who.int/hiv/ValueSet/HIV.C.DE31
This is the ValueSet that contains codes in both PEP history ValueSet (http://smart.who.int/hiv/ValueSet/HIV.C.DE31) and PEP history ValueSet (http://smart.who.int/hiv/ValueSet/HIV.C.DE31).