disease has location hirudiniasis parasitic ectoparasitic infectious disease external hirudiniasis SCTID:1086871000119109 UMLS:C0392037 MONDO:0024303 icd11.foundation:1781413652 MEDGEN:838360 ICD10CM:B88.3 The attachment of leeches to the skin. After the leeches drop off, bleeding may continue as a result of the action of hirudin. Bites may become infected or ulcerate. zone of skin