This is the ValueSet that contains codes in both SnodentOrthodonticTreatmentPreconditionInternational (http://terminology.hl7.org/ValueSet/v3-SnodentOrthodonticTreatmentPreconditionInternational) and SnodentOrthodonticTreatmentPreconditionInternational (http://terminology.hl7.org/ValueSet/v3-SnodentOrthodonticTreatmentPreconditionInternational).