K55-K64|Chapter 11: Diseases of the digestive system

Other diseases of intestines

206 codes in this section

Codes

K55Category

Vascular disorders of intestine

6 subcategoryies

K55.0Category

Acute vascular disorders of intestine

6 subcategoryies

K55.01Category

Acute (reversible) ischemia of small intestine

3 subcategoryies

K55.011Billable

Focal (segmental) acute (reversible) ischemia of small intestine

K55.012Billable

Diffuse acute (reversible) ischemia of small intestine

K55.019Billable

Acute (reversible) ischemia of small intestine, extent unspecified

K55.02Category

Acute infarction of small intestine

3 subcategoryies

K55.021Billable

Focal (segmental) acute infarction of small intestine

K55.022Billable

Diffuse acute infarction of small intestine

K55.029Billable

Acute infarction of small intestine, extent unspecified

K55.03Category

Acute (reversible) ischemia of large intestine

3 subcategoryies

K55.031Billable

Focal (segmental) acute (reversible) ischemia of large intestine

K55.032Billable

Diffuse acute (reversible) ischemia of large intestine

K55.039Billable

Acute (reversible) ischemia of large intestine, extent unspecified

K55.04Category

Acute infarction of large intestine

3 subcategoryies

K55.041Billable

Focal (segmental) acute infarction of large intestine

K55.042Billable

Diffuse acute infarction of large intestine

K55.049Billable

Acute infarction of large intestine, extent unspecified

K55.05Category

Acute (reversible) ischemia of intestine, part unspecified

3 subcategoryies

K55.051Billable

Focal (segmental) acute (reversible) ischemia of intestine, part unspecified

K55.052Billable

Diffuse acute (reversible) ischemia of intestine, part unspecified

K55.059Billable

Acute (reversible) ischemia of intestine, part and extent unspecified

K55.06Category

Acute infarction of intestine, part unspecified

3 subcategoryies

K55.061Billable

Focal (segmental) acute infarction of intestine, part unspecified

K55.062Billable

Diffuse acute infarction of intestine, part unspecified

K55.069Billable

Acute infarction of intestine, part and extent unspecified

K55.1Billable

Chronic vascular disorders of intestine

K55.2Category

Angiodysplasia of colon

2 subcategoryies

K55.20Billable

Angiodysplasia of colon without hemorrhage

K55.21Billable

Angiodysplasia of colon with hemorrhage

K55.3Category

Necrotizing enterocolitis

4 subcategoryies

K55.30Billable

Necrotizing enterocolitis, unspecified

K55.31Billable

Stage 1 necrotizing enterocolitis

K55.32Billable

Stage 2 necrotizing enterocolitis

K55.33Billable

Stage 3 necrotizing enterocolitis

K55.8Billable

Other vascular disorders of intestine

K55.9Billable

Vascular disorder of intestine, unspecified

K56Category

Paralytic ileus and intestinal obstruction without hernia

8 subcategoryies

K56.0Billable

Paralytic ileus

K56.1Billable

Intussusception

K56.2Billable

Volvulus

K56.3Billable

Gallstone ileus

K56.4Category

Other impaction of intestine

2 subcategoryies

K56.41Billable

Fecal impaction

K56.49Billable

Other impaction of intestine

K56.5Category

Intestinal adhesions [bands] with obstruction (postinfection)

3 subcategoryies

K56.50Billable

Intestinal adhesions [bands], unspecified as to partial versus complete obstruction

K56.51Billable

Intestinal adhesions [bands], with partial obstruction

K56.52Billable

Intestinal adhesions [bands] with complete obstruction

K56.6Category

Other and unspecified intestinal obstruction

2 subcategoryies

K56.60Category

Unspecified intestinal obstruction

3 subcategoryies

K56.600Billable

Partial intestinal obstruction, unspecified as to cause

K56.601Billable

Complete intestinal obstruction, unspecified as to cause

K56.609Billable

Unspecified intestinal obstruction, unspecified as to partial versus complete obstruction

K56.69Category

Other intestinal obstruction

3 subcategoryies

K56.690Billable

Other partial intestinal obstruction

K56.691Billable

Other complete intestinal obstruction

K56.699Billable

Other intestinal obstruction unspecified as to partial versus complete obstruction

K56.7Billable

Ileus, unspecified

K57Category

Diverticular disease of intestine

8 subcategoryies

K57.0Category

Diverticulitis of small intestine with perforation and abscess

2 subcategoryies

K57.00Billable

Diverticulitis of small intestine with perforation and abscess without bleeding

K57.01Billable

Diverticulitis of small intestine with perforation and abscess with bleeding

K57.1Category

Diverticular disease of small intestine without perforation or abscess

4 subcategoryies

K57.10Billable

Diverticulosis of small intestine without perforation or abscess without bleeding

K57.11Billable

Diverticulosis of small intestine without perforation or abscess with bleeding

K57.12Billable

Diverticulitis of small intestine without perforation or abscess without bleeding

K57.13Billable

Diverticulitis of small intestine without perforation or abscess with bleeding

K57.2Category

Diverticulitis of large intestine with perforation and abscess

2 subcategoryies

K57.20Billable

Diverticulitis of large intestine with perforation and abscess without bleeding

K57.21Billable

Diverticulitis of large intestine with perforation and abscess with bleeding

K57.3Category

Diverticular disease of large intestine without perforation or abscess

4 subcategoryies

K57.30Billable

Diverticulosis of large intestine without perforation or abscess without bleeding

K57.31Billable

Diverticulosis of large intestine without perforation or abscess with bleeding

K57.32Billable

Diverticulitis of large intestine without perforation or abscess without bleeding

K57.33Billable

Diverticulitis of large intestine without perforation or abscess with bleeding

K57.4Category

Diverticulitis of both small and large intestine with perforation and abscess

2 subcategoryies

K57.40Billable

Diverticulitis of both small and large intestine with perforation and abscess without bleeding

K57.41Billable

Diverticulitis of both small and large intestine with perforation and abscess with bleeding

K57.5Category

Diverticular disease of both small and large intestine without perforation or abscess

4 subcategoryies

K57.50Billable

Diverticulosis of both small and large intestine without perforation or abscess without bleeding

K57.51Billable

Diverticulosis of both small and large intestine without perforation or abscess with bleeding

K57.52Billable

Diverticulitis of both small and large intestine without perforation or abscess without bleeding

K57.53Billable

Diverticulitis of both small and large intestine without perforation or abscess with bleeding

K57.8Category

Diverticulitis of intestine, part unspecified, with perforation and abscess

2 subcategoryies

K57.80Billable

Diverticulitis of intestine, part unspecified, with perforation and abscess without bleeding

K57.81Billable

Diverticulitis of intestine, part unspecified, with perforation and abscess with bleeding

K57.9Category

Diverticular disease of intestine, part unspecified, without perforation or abscess

4 subcategoryies

K57.90Billable

Diverticulosis of intestine, part unspecified, without perforation or abscess without bleeding

K57.91Billable

Diverticulosis of intestine, part unspecified, without perforation or abscess with bleeding

K57.92Billable

Diverticulitis of intestine, part unspecified, without perforation or abscess without bleeding

K57.93Billable

Diverticulitis of intestine, part unspecified, without perforation or abscess with bleeding

K58Category

Irritable bowel syndrome

5 subcategoryies

K58.0Billable

Irritable bowel syndrome with diarrhea

K58.1Billable

Irritable bowel syndrome with constipation

K58.2Billable

Mixed irritable bowel syndrome

K58.8Billable

Other irritable bowel syndrome

K58.9Billable

Irritable bowel syndrome, unspecified

K59Category

Other functional intestinal disorders

7 subcategoryies

K59.0Category

Constipation

6 subcategoryies

K59.00Billable

Constipation, unspecified

K59.01Billable

Slow transit constipation

K59.02Billable

Outlet dysfunction constipation

K59.03Billable

Drug induced constipation

K59.04Billable

Chronic idiopathic constipation

K59.09Billable

Other constipation

K59.1Billable

Functional diarrhea

K59.2Billable

Neurogenic bowel, not elsewhere classified

K59.3Category

Megacolon, not elsewhere classified

2 subcategoryies

K59.31Billable

Toxic megacolon

K59.39Billable

Other megacolon

K59.4Billable

Anal spasm

K59.8Category

Other specified functional intestinal disorders

2 subcategoryies

K59.81Billable

Ogilvie syndrome

K59.89Billable

Other specified functional intestinal disorders

K59.9Billable

Functional intestinal disorder, unspecified

K60Category

Fissure and fistula of anal and rectal regions

6 subcategoryies

K60.0Billable

Acute anal fissure

K60.1Billable

Chronic anal fissure

K60.2Billable

Anal fissure, unspecified

K60.3Category

Anal fistula

3 subcategoryies

K60.30Billable

Anal fistula, unspecified

K60.31Category

Anal fistula, simple

4 subcategoryies

K60.311Billable

Anal fistula, simple, initial

K60.312Billable

Anal fistula, simple, persistent

K60.313Billable

Anal fistula, simple, recurrent

K60.319Billable

Anal fistula, simple, unspecified

K60.32Category

Anal fistula, complex

4 subcategoryies

K60.321Billable

Anal fistula, complex, initial

K60.322Billable

Anal fistula, complex, persistent

K60.323Billable

Anal fistula, complex, recurrent

K60.329Billable

Anal fistula, complex, unspecified

K60.4Category

Rectal fistula

3 subcategoryies

K60.40Billable

Rectal fistula, unspecified

K60.41Category

Rectal fistula, simple

4 subcategoryies

K60.411Billable

Rectal fistula, simple, initial

K60.412Billable

Rectal fistula, simple, persistent

K60.413Billable

Rectal fistula, simple, recurrent

K60.419Billable

Rectal fistula, simple, unspecified

K60.42Category

Rectal fistula, complex

4 subcategoryies

K60.421Billable

Rectal fistula, complex, initial

K60.422Billable

Rectal fistula, complex, persistent

K60.423Billable

Rectal fistula, complex, recurrent

K60.429Billable

Rectal fistula, complex, unspecified

K60.5Category

Anorectal fistula

3 subcategoryies

K60.50Billable

Anorectal fistula, unspecified

K60.51Category

Anorectal fistula, simple

4 subcategoryies

K60.511Billable

Anorectal fistula, simple, initial

K60.512Billable

Anorectal fistula, simple, persistent

K60.513Billable

Anorectal fistula, simple, recurrent

K60.519Billable

Anorectal fistula, simple, unspecified

K60.52Category

Anorectal fistula, complex

4 subcategoryies

K60.521Billable

Anorectal fistula, complex, initial

K60.522Billable

Anorectal fistula, complex, persistent

K60.523Billable

Anorectal fistula, complex, recurrent

K60.529Billable

Anorectal fistula, complex, unspecified

K61Category

Abscess of anal and rectal regions

6 subcategoryies

K61.0Billable

Anal abscess

K61.1Billable

Rectal abscess

K61.2Billable

Anorectal abscess

K61.3Category

Ischiorectal abscess

2 subcategoryies

K61.31Billable

Horseshoe abscess

K61.39Billable

Other ischiorectal abscess

K61.4Billable

Intrasphincteric abscess

K61.5Billable

Supralevator abscess

K62Category

Other diseases of anus and rectum

10 subcategoryies

K62.0Billable

Anal polyp

K62.1Billable

Rectal polyp

K62.2Billable

Anal prolapse

K62.3Billable

Rectal prolapse

K62.4Billable

Stenosis of anus and rectum

K62.5Billable

Hemorrhage of anus and rectum

K62.6Billable

Ulcer of anus and rectum

K62.7Billable

Radiation proctitis

K62.8Category

Other specified diseases of anus and rectum

3 subcategoryies

K62.81Billable

Anal sphincter tear (healed) (nontraumatic) (old)

K62.82Billable

Dysplasia of anus

K62.89Billable

Other specified diseases of anus and rectum

K62.9Billable

Disease of anus and rectum, unspecified

K63Category

Other diseases of intestine

8 subcategoryies

K63.0Billable

Abscess of intestine

K63.1Billable

Perforation of intestine (nontraumatic)

K63.2Billable

Fistula of intestine

K63.3Billable

Ulcer of intestine

K63.4Billable

Enteroptosis

K63.5Billable

Polyp of colon

K63.8Category

Other specified diseases of intestine

3 subcategoryies

K63.81Billable

Dieulafoy lesion of intestine

K63.82Category

Intestinal microbial overgrowth

3 subcategoryies

K63.821Category

Small intestinal bacterial overgrowth

3 subcategoryies

K63.8211Billable

Small intestinal bacterial overgrowth, hydrogen-subtype

K63.8212Billable

Small intestinal bacterial overgrowth, hydrogen sulfide-subtype

K63.8219Billable

Small intestinal bacterial overgrowth, unspecified

K63.822Billable

Small intestinal fungal overgrowth

K63.829Billable

Intestinal methanogen overgrowth, unspecified

K63.89Billable

Other specified diseases of intestine

K63.9Billable

Disease of intestine, unspecified

K64Category

Hemorrhoids and perianal venous thrombosis

8 subcategoryies

K64.0Billable

First degree hemorrhoids

K64.1Billable

Second degree hemorrhoids

K64.2Billable

Third degree hemorrhoids

K64.3Billable

Fourth degree hemorrhoids

K64.4Billable

Residual hemorrhoidal skin tags

K64.5Billable

Perianal venous thrombosis

K64.8Billable

Other hemorrhoids

K64.9Billable

Unspecified hemorrhoids

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