exanthem prurigo true MONDO:0021739 SCTID:64144002 ICD9:698.2 A name applied to several itchy skin eruptions of unknown cause. The characteristic course is the formation of a dome-shaped papule with a small transient vesicle on top, followed by crusting over or lichenification. (From Dorland, 27th ed) prurigo pruritic rash Itchy skin eruption ICD9:698.8 UMLS:C0033771 MEDGEN:10986 MESH:D011536 icd11.foundation:268810206 Pruritic rash