Noninfectious Enteritis and Colitis ICD 9 Codes (555-558)

NONINFECTIOUS ENTERITIS AND COLITIS (ICD 9 CODES: 555-558)

555       Regional enteritis

Includes:     Crohn's disease

Granulomatous enteritis

Excludes:    ulcerative colitis (556)

555.0    Small intestine

Ileitis:

regional

segmental

terminal

Regional enteritis or Crohn's disease of:

duodenum

ileum

jejunum

555.1    Large intestine

Colitis:

granulomatous

regional

transmural

Regional enteritis or Crohn's disease of:

colon

large bowel

rectum

555.2    Small intestine with large intestine

Regional ileocolitis

555.9    Unspecified site

Crohn's disease NOS

Regional enteritis NOS

556       Ulcerative colitis

556.0    Ulcerative (chronic) enterocolitis

556.1    Ulcerative (chronic) ileocolitis

556.2    Ulcerative (chronic) proctitis

556.3    Ulcerative (chronic) proctosigmoiditis

556.4    Pseudopolyposis of colon

556.5    Left-sided ulcerative (chronic) colitis

556.6    Universal ulcerative (chronic) colitis

Pancolitis

556.8    Other ulcerative colitis

556.9    Ulcerative colitis, unspecified

Ulcerative enteritis NOS

557       Vascular insufficiency of intestine

Excludes:    necrotizing enterocolitis of the newborn (777.50-777.53)

557.0    Acute vascular insufficiency of intestine

Acute:

hemorrhagic enterocolitis

ischemic colitis, enteritis, or enterocolitis

massive necrosis of intestine

Bowel infarction

Embolism of mesenteric artery

Fulminant enterocolitis

Hemorrhagic necrosis of intestine

Infarction of appendices epiploicae

Intestinal gangrene

Intestinal infarction (acute) (agnogenic) (hemorrhagic) (nonocclusive)

Mesenteric infarction (embolic) (thrombotic)

Necrosis of intestine

Terminal hemorrhagic enteropathy

Thrombosis of mesenteric artery

557.1    Chronic vascular insufficiency of intestine

Angina, abdominal

Chronic ischemic colitis, enteritis, or enterocolitis

Ischemic stricture of intestine

Mesenteric:

angina

artery syndrome (superior)

vascular insufficiency

557.9    Unspecified vascular insufficiency of intestine

Alimentary pain due to vascular insufficiency

Ischemic colitis, enteritis, or enterocolitis NOS

558       Other and unspecified noninfectious gastroenteritis and colitis

Excludes:    infectious:

colitis, enteritis, or gastroenteritis (009.0-009.1)

diarrhea (009.2-009.3)

558.1    Gastroenteritis and colitis due to radiation

Radiation enterocolitis

558.2    Toxic gastroenteritis and colitis

Use additional E code to identify cause

558.3    Allergic gastroenteritis and colitis

Use additional code to identify type of food allergy (V15.01-V15.05)

558.4 Eosinophilic gastroenteritis and colitis

558.41  Eosinophilic gastroenteritis

Eosinophilic enteritis

558.42  Eosinophilic colitis

558.9    Other and unspecified noninfectious gastroenteritis and colitis

Colitis, NOS, dietetic, or noninfectious

Enteritis, NOS, dietetic, or noninfectious

Gastroenteritis, NOS, dietetic, or noninfectious

Ileitis, NOS, dietetic or noninfectious

Jejunitis, NOS, dietetic, or noninfectious

Sigmoiditis, NOS, dietetic, or noninfectious