disease has basis in dysfunction of NODAL situs inversus A congenital condition in which there is complete right-to-left reversal of the position of the major thoracic and abdominal organs (that is, they are arranged in a mirror image of the normal positioning). COHD:193306 DOID:758 GARD:0004883 HP:0001696 HTX5 ICD10:Q89.3 ICD9:759.3 ICD9:759.89 MESH:D012857 MONDO:0010029 NCIT:C87121 OMIM:270100 Orphanet:101063 SCTID:24614000 SIV complete situs inversus complete situs inversus viscerum complete transposition complete transposition (morphologic abnormality) heterotaxy, visceral, 5, autosomal laterality sequence situs ambiguus situs inversus situs inversus totalis situs inversus totalis (disease) situs inversus viscerum genetic cardiac anomaly visceral heterotaxy