disease has location hirudiniasis internal hirudiniasis MONDO:0024302 SCTID:187227006 MEDGEN:578592 UMLS:C0348999 icd11.foundation:1840948804 ICD10CM:B83.4 A condition resulting from accidental ingestion of leeches in drinking water. They may attach themselves to the wall of the pharynx, nasal cavity, or larynx. digestive system infectious disorder upper digestive tract disorder upper digestive tract