Diagnosis Code: 556.9

Short Description: Ulceratve colitis unspcf

Long Description: Ulcerative colitis, unspecified

Code Classification:

• Diseases of the digestive system (520–579)
  • Noninfective enteritis and colitis (555-558)
    • 556 Ulcerative colitis
      • 556.9 Ulceratve colitis unspcf

Code Version: 2015 ICD-9-CM

References to Index of Diseases and Injuries

The code 556.9 has the following ICD-9-CM references to the Index of Diseases and Injuries

• Arthritis, arthritic (acute) (chronic) (subacute) 716.9
  • due to or associated with
    • colitis, ulcerative - (see also Colitis, ulcerative) 556.9 [713.1]
    • ulcerative colitis - (see also Colitis, ulcerative) 556.9 [713.1]

• Colitis (acute) (catarrhal) (croupous) (cystica superficialis) (exudative) (hemorrhagic) (noninfectious) (phlegmonous) (presumed noninfectious) 558.9
  • chronic 558.9
    • ulcerative (see also Colitis, ulcerative) 556.9
  • gravis (see also Colitis, ulcerative) 556.9
  • polyposa (see also Colitis, ulcerative) 556.9
  • ulcerative (chronic) (idiopathic) (nonspecific) 556.9
    • entero- 556.0
    • fulminant 557.0
    • ileo- 556.1
    • left-sided 556.5
    • procto- 556.2
    • proctosigmoid 556.3
    • psychogenic 316 [556]
    • specified NEC 556.8
    • universal 556.6

• Diarrhea, diarrheal (acute) (autumn) (bilious) (bloody) (catarrhal) (choleraic) (chronic) (gravis) (green) (infantile) (lienteric) (noninfectious) (presumed noninfectious) (putrefactive) (secondary) (sporadic) (summer) (symptomatic) (thermic) 787.91
  • ulcerative (chronic) (see also Colitis, ulcerative) 556.9

• Enteritis (acute) (catarrhal) (choleraic) (chronic) (congestive) (diarrheal) (exudative) (follicular) (hemorrhagic) (infantile) (lienteric) (noninfectious) (perforative) (phlegmonous) (presumed noninfectious) (pseudomembranous) 558.9
  • chronic 558.9
    • ulcerative (see also Colitis, ulcerative) 556.9
  • ulcerative (chronic) (see also Colitis, ulcerative) 556.9

• Gastroenteritis (acute) (catarrhal) (congestive) (hemorrhagic) (noninfectious) (see also Enteritis) 558.9
  • chronic 558.9
    • ulcerative (see also Colitis, ulcerative) 556.9
  • ulcerative (see also Colitis, ulcerative) 556.9

• Megacolon (acquired) (functional) (not Hirschsprung's disease) 564.7
  • toxic (see also Colitis, ulcerative) 556.9

Crosswalk Information

The code 556.9 converts into the following ICD-10 code(s):

Similar Codes

This page was last updated on: 10/1/2014

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