DO_rare_slim has symptom disease has basis in physical disorder laryngomalacia UMLS_CUI:C0345160 SNOMEDCT_US_2025_09_01:253737007 ICD10CM:Q31.5 MIM:150280 MESH:D055092 DOID:0080833 GARD:6865 A laryngeal disease that is characterized by inward collapse of flaccid supraglottic structures during inspiration. The most common symptom is noisy breathing (stridor) that is often worse when the infant is on his/her back or crying. ORDO:2373 congenital laryngomalacia disease_ontology laryngeal disease Abnormality of prenatal development or birth stridor