necatoriasis UMLS_CUI:C0027528 SNOMEDCT_US_2020_03_01:36667009 DOID:2790 disease_ontology DOID:13048 A parasitic helminthiasis infectious disease that involves infection of the small intestine of humans, dogs and cats by the nematode Necator americanus causing abdominal pain, diarrhea, cramps, weight loss and anemia. Cutaneous larvae migrans in humans is characterized by skin ruptures and severe itching. NCI:C34838 MESH:D009332 ICD10CM:B76.1 parasitic helminthiasis infectious disease