Abnormal nasal septum morphology Deviated nasal septum 2008-03-18T09:23:00Z UMLS:C0549397 SNOMEDCT_US:126660000 Crooked septum of nose Deviated septum of nose Positioning of the nasal septum to the right or left in contrast to the normal midline position of the nasal septum. HP:0004411 Deviated nasal septum Crooked nasal septum