ascariasis ICD10CM:B77 ICD9CM:127.0 MESH:D001196 Ascaris lumbricoides infection disease_ontology A parasitic helminthiasis infectious disease that involves infection of the intestine with the nematode Ascaris lumbricoides. Larvae migrating through the lungs cause cough, wheezing and hemoptysis. Bowel or biliary obstruction causes cramping abdominal pain, nausea, and vomiting. Peritonitis, enlargement of the liver or spleen, toxicity and pneumonia are observed when larvae get into the portal circulation. NCI:C128392 Ascariasis - roundworm DOID:456 UMLS_CUI:C0003950 SNOMEDCT_US_2020_03_01:2435008 parasitic helminthiasis infectious disease