Colitis (acute) (catarrhal) (croupous) (cystica superficialis) (exudative) (hemorrhagic) (noninfectious) (phlegmonous) (presumed noninfectious) 558.9

procto- 556.2

proctosigmoid 556.3

psychogenic 316 [556]

specified NEC 556.8

universal 556.6