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Taxonomy Codes
Diseases of the digestive system
Other diseases of intestines (K55-K64)
Vascular disorders of intestine (K55)
K55
- Vascular disorders of intestine
K55.0
- Acute vascular disorders of intestine
K55.01
- Acute (reversible) ischemia of small intestine
K55.011
- Focal (segmental) acute ischemia of small intestine
K55.012
- Diffuse acute (reversible) ischemia of small intestine
K55.019
- Acute ischemia of small intestine, extent unspecified
K55.02
- Acute infarction of small intestine
K55.021
- Focal (segmental) acute infarction of small intestine
K55.022
- Diffuse acute infarction of small intestine
K55.029
- Acute infarction of small intestine, extent unspecified
K55.03
- Acute (reversible) ischemia of large intestine
K55.031
- Focal (segmental) acute ischemia of large intestine
K55.032
- Diffuse acute (reversible) ischemia of large intestine
K55.039
- Acute ischemia of large intestine, extent unspecified
K55.04
- Acute infarction of large intestine
K55.041
- Focal (segmental) acute infarction of large intestine
K55.042
- Diffuse acute infarction of large intestine
K55.049
- Acute infarction of large intestine, extent unspecified
K55.05
- Acute (reversible) ischemia of intestine, part unspecified
K55.051
- Focal acute ischemia of intestine, part unspecified
K55.052
- Diffuse acute ischemia of intestine, part unspecified
K55.059
- Acute ischemia of intestine, part and extent unspecified
K55.06
- Acute infarction of intestine, part unspecified
K55.061
- Focal acute infarction of intestine, part unspecified
K55.062
- Diffuse acute infarction of intestine, part unspecified
K55.069
- Acute infarction of intestine, part and extent unspecified
K55.1
- Chronic vascular disorders of intestine
K55.2
- Angiodysplasia of colon
K55.20
- Angiodysplasia of colon without hemorrhage
K55.21
- Angiodysplasia of colon with hemorrhage
K55.3
- Necrotizing enterocolitis
K55.30
- Necrotizing enterocolitis, unspecified
K55.31
- Stage 1 necrotizing enterocolitis
K55.32
- Stage 2 necrotizing enterocolitis
K55.33
- Stage 3 necrotizing enterocolitis
K55.8
- Other vascular disorders of intestine
K55.9
- Vascular disorder of intestine, unspecified
Paralytic ileus and intestinal obstruction without hernia (K56)
K56
- Paralytic ileus and intestinal obstruction without hernia
K56.0
- Paralytic ileus
K56.1
- Intussusception
K56.2
- Volvulus
K56.3
- Gallstone ileus
K56.4
- Other impaction of intestine
K56.41
- Fecal impaction
K56.49
- Other impaction of intestine
K56.5
- Intestinal adhesions with obstruction (postinfection)
K56.50
- Intestnl adhesions, unsp as to partial versus complete obst
K56.51
- Intestinal adhesions [bands], with partial obstruction
K56.52
- Intestinal adhesions [bands] with complete obstruction
K56.6
- Other and unspecified intestinal obstruction
K56.60
- Unspecified intestinal obstruction
K56.600
- Partial intestinal obstruction, unspecified as to cause
K56.601
- Complete intestinal obstruction, unspecified as to cause
K56.609
- Unsp intestnl obst, unsp as to partial versus complete obst
K56.69
- Other intestinal obstruction
K56.690
- Other partial intestinal obstruction
K56.691
- Other complete intestinal obstruction
K56.699
- Other intestnl obst unsp as to partial versus complete obst
K56.7
- Ileus, unspecified
Diverticular disease of intestine (K57)
K57
- Diverticular disease of intestine
K57.0
- Diverticulitis of small intestine w perforation and abscess
K57.00
- Dvtrcli of sm int w perforation and abscess w/o bleeding
K57.01
- Dvtrcli of sm int w perforation and abscess w bleeding
K57.1
- Diverticular disease of sm int w/o perforation or abscess
K57.10
- Dvrtclos of sm int w/o perforation or abscess w/o bleeding
K57.11
- Dvrtclos of sm int w/o perforation or abscess w bleeding
K57.12
- Dvtrcli of sm int w/o perforation or abscess w/o bleeding
K57.13
- Dvtrcli of sm int w/o perforation or abscess w bleeding
K57.2
- Diverticulitis of large intestine w perforation and abscess
K57.20
- Dvtrcli of lg int w perforation and abscess w/o bleeding
K57.21
- Dvtrcli of lg int w perforation and abscess w bleeding
K57.3
- Diverticular disease of lg int w/o perforation or abscess
K57.30
- Dvrtclos of lg int w/o perforation or abscess w/o bleeding
K57.31
- Dvrtclos of lg int w/o perforation or abscess w bleeding
K57.32
- Dvtrcli of lg int w/o perforation or abscess w/o bleeding
K57.33
- Dvtrcli of lg int w/o perforation or abscess w bleeding
K57.4
- Dvtrcli of both small and lg int w perforation and abscess
K57.40
- Dvtrcli of both small and lg int w perf and abscs w/o bleed
K57.41
- Dvtrcli of both small and lg int w perf and abscess w bleed
K57.5
- Diverticular dis of both small and lg int w/o perf or abscs
K57.50
- Dvrtclos of both sm and lg int w/o perf or abscs w/o bleed
K57.51
- Dvrtclos of both small and lg int w/o perf or abscs w bleed
K57.52
- Dvtrcli of both small and lg int w/o perf or abscs w/o bleed
K57.53
- Dvtrcli of both small and lg int w/o perf or abscess w bleed
K57.8
- Dvtrcli of intestine, part unsp, w perforation and abscess
K57.80
- Dvtrcli of intest, part unsp, w perf and abscess w/o bleed
K57.81
- Dvtrcli of intest, part unsp, w perf and abscess w bleeding
K57.9
- Diverticular disease of intest, part unsp, w/o perf or abscs
K57.90
- Dvrtclos of intest, part unsp, w/o perf or abscess w/o bleed
K57.91
- Dvrtclos of intest, part unsp, w/o perf or abscess w bleed
K57.92
- Dvtrcli of intest, part unsp, w/o perf or abscess w/o bleed
K57.93
- Dvtrcli of intest, part unsp, w/o perf or abscess w bleeding
Irritable bowel syndrome (K58)
K58
- Irritable bowel syndrome
K58.0
- Irritable bowel syndrome with diarrhea
K58.1
- Irritable bowel syndrome with constipation
K58.2
- Mixed irritable bowel syndrome
K58.8
- Other irritable bowel syndrome
K58.9
- Irritable bowel syndrome without diarrhea
Other functional intestinal disorders (K59)
K59
- Other functional intestinal disorders
K59.0
- Constipation
K59.00
- Constipation, unspecified
K59.01
- Slow transit constipation
K59.02
- Outlet dysfunction constipation
K59.03
- Drug induced constipation
K59.04
- Chronic idiopathic constipation
K59.09
- Other constipation
K59.1
- Functional diarrhea
K59.2
- Neurogenic bowel, not elsewhere classified
K59.3
- Megacolon, not elsewhere classified
K59.31
- Toxic megacolon
K59.39
- Other megacolon
K59.4
- Anal spasm
K59.8
- Other specified functional intestinal disorders
K59.81
- Ogilvie syndrome
K59.89
- Other specified functional intestinal disorders
K59.9
- Functional intestinal disorder, unspecified
Fissure and fistula of anal and rectal regions (K60)
K60
- Fissure and fistula of anal and rectal regions
K60.0
- Acute anal fissure
K60.1
- Chronic anal fissure
K60.2
- Anal fissure, unspecified
K60.3
- Anal fistula
K60.4
- Rectal fistula
K60.5
- Anorectal fistula
Abscess of anal and rectal regions (K61)
K61
- Abscess of anal and rectal regions
K61.0
- Anal abscess
K61.1
- Rectal abscess
K61.2
- Anorectal abscess
K61.3
- Ischiorectal abscess
K61.31
- Horseshoe abscess
K61.39
- Other ischiorectal abscess
K61.4
- Intrasphincteric abscess
K61.5
- Supralevator abscess
Other diseases of anus and rectum (K62)
K62
- Other diseases of anus and rectum
K62.0
- Anal polyp
K62.1
- Rectal polyp
K62.2
- Anal prolapse
K62.3
- Rectal prolapse
K62.4
- Stenosis of anus and rectum
K62.5
- Hemorrhage of anus and rectum
K62.6
- Ulcer of anus and rectum
K62.7
- Radiation proctitis
K62.8
- Other specified diseases of anus and rectum
K62.81
- Anal sphincter tear (healed) (nontraumatic) (old)
K62.82
- Dysplasia of anus
K62.89
- Other specified diseases of anus and rectum
K62.9
- Disease of anus and rectum, unspecified
Other diseases of intestine (K63)
K63
- Other diseases of intestine
K63.0
- Abscess of intestine
K63.1
- Perforation of intestine (nontraumatic)
K63.2
- Fistula of intestine
K63.3
- Ulcer of intestine
K63.4
- Enteroptosis
K63.5
- Polyp of colon
K63.8
- Other specified diseases of intestine
K63.81
- Dieulafoy lesion of intestine
K63.82
- Intestinal microbial overgrowth
K63.821
- Small intestinal bacterial overgrowth
K63.8211
- Small intestinal bacterial overgrowth, hydrogen-subtype
K63.8212
- Small intestnl bact overgrowth, hydrogen sulfide-subtype
K63.8219
- Small intestinal bacterial overgrowth, unspecified
K63.822
- Small intestinal fungal overgrowth
K63.829
- Intestinal methanogen overgrowth, unspecified
K63.89
- Other specified diseases of intestine
K63.9
- Disease of intestine, unspecified
Hemorrhoids and perianal venous thrombosis (K64)
K64
- Hemorrhoids and perianal venous thrombosis
K64.0
- First degree hemorrhoids
K64.1
- Second degree hemorrhoids
K64.2
- Third degree hemorrhoids
K64.3
- Fourth degree hemorrhoids
K64.4
- Residual hemorrhoidal skin tags
K64.5
- Perianal venous thrombosis
K64.8
- Other hemorrhoids
K64.9
- Unspecified hemorrhoids