colonic pseudo-obstruction https://www.malacards.org/card/colonic_pseudo_obstruction ICD9:564.89 acute colonic pseudo-obstruction Functional obstruction of the colon leading to megacolon in the absence of obvious colonic diseases or mechanical obstruction. When this condition is acquired, acute, and coexisting with another medical condition (trauma, surgery, serious injuries or illness, or medication), it is called Ogilvie's syndrome. SCTID:35065006 ACPO MESH:D003112 GARD:0007248 MONDO:0002801 DOID:3876 MEDGEN:3167 Ogilvie's syndrome acute colonic ileus UMLS:C0009377 functional colonic disease intestinal pseudo-obstruction