| K55 |
Vascular disorders of intestine [+]
| Excludes 1: |
necrotizing enterocolitis of newborn (P77.-)
|
| Excludes 2: |
angioectasia (angiodysplasia) duodenum (K31.81-)
|
|
|
| K55.0 |
Acute vascular disorders of intestine [+]
Infarction of appendices epiploicae
Mesenteric (artery) (vein) embolism
Mesenteric (artery) (vein) infarction
Mesenteric (artery) (vein) thrombosis
|
|
| K55.01 |
Acute (reversible) ischemia of small intestine [+]
|
|
| K55.011 |
Focal (segmental) acute (reversible) ischemia of small intestine
|
| K55.012 |
Diffuse acute (reversible) ischemia of small intestine
|
| K55.019 |
Acute (reversible) ischemia of small intestine, extent unspecified
|
|
| K55.02 |
Acute infarction of small intestine [+]
Gangrene of small intestine
Necrosis 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 [+]
Acute fulminant ischemic colitis
Subacute ischemic colitis
|
|
| K55.031 |
Focal (segmental) acute (reversible) ischemia of large intestine
|
| K55.032 |
Diffuse acute (reversible) ischemia of large intestine
|
| K55.039 |
Acute (reversible) ischemia of large intestine, extent unspecified
|
|
| K55.04 |
Acute infarction of large intestine [+]
Gangrene of large intestine
Necrosis 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 (segmental) acute (reversible) ischemia of intestine, part unspecified
|
| K55.052 |
Diffuse acute (reversible) ischemia of intestine, part unspecified
|
| K55.059 |
Acute (reversible) ischemia of intestine, part and extent unspecified
|
|
| K55.06 |
Acute infarction of intestine, part unspecified [+]
Acute intestinal infarction
Gangrene of intestine
Necrosis of intestine
|
|
| K55.061 |
Focal (segmental) 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
Chronic ischemic colitis
Chronic ischemic enteritis
Chronic ischemic enterocolitis
Ischemic stricture of intestine
Mesenteric atherosclerosis
Mesenteric vascular insufficiency
|
| K55.2 |
Angiodysplasia of colon [+]
|
|
| K55.20 |
Angiodysplasia of colon without hemorrhage
|
| K55.21 |
Angiodysplasia of colon with hemorrhage
|
|
| K55.3 |
Necrotizing enterocolitis [+]
| Excludes 1: |
necrotizing enterocolitis of newborn (P77.-)
|
| Excludes 2: |
necrotizing enterocolitis due to Clostridium difficile (A04.7-)
|
|
|
| K55.30 |
Necrotizing enterocolitis, unspecified
Necrotizing enterocolitis, NOS
|
| K55.31 |
Stage 1 necrotizing enterocolitis
Necrotizing enterocolitis without pneumatosis, without perforation
|
| K55.32 |
Stage 2 necrotizing enterocolitis
Necrotizing enterocolitis with pneumatosis, without perforation
|
| K55.33 |
Stage 3 necrotizing enterocolitis
Necrotizing enterocolitis with perforation
Necrotizing enterocolitis with pneumatosis and perforation
|
|
| K55.8 |
Other vascular disorders of intestine
|
| K55.9 |
Vascular disorder of intestine, unspecified
Ischemic colitis
Ischemic enteritis
Ischemic enterocolitis
|
|
| K56 |
Paralytic ileus and intestinal obstruction without hernia [+]
| Excludes 1: |
congenital stricture or stenosis of intestine (Q41-Q42)
cystic fibrosis with meconium ileus (E84.11)
ischemic stricture of intestine (K55.1)
meconium ileus NOS (P76.0)
neonatal intestinal obstructions classifiable to P76.-
obstruction of duodenum (K31.5)
postprocedural intestinal obstruction (K91.3-)
|
| Excludes 2: |
stenosis of anus or rectum (K62.4)
|
|
|
| K56.0 |
Paralytic ileus
Paralysis of bowel
Paralysis of colon
Paralysis of intestine
| Excludes 1: |
gallstone ileus (K56.3)
ileus NOS (K56.7)
obstructive ileus NOS (K56.69-)
|
|
| K56.1 |
Intussusception
Intussusception or invagination of bowel
Intussusception or invagination of colon
Intussusception or invagination of intestine
Intussusception or invagination of rectum
| Excludes 2: |
intussusception of appendix (K38.8)
|
|
| K56.2 |
Volvulus
Strangulation of colon or intestine
Torsion of colon or intestine
Twist of colon or intestine
| Excludes 2: |
volvulus of duodenum (K31.5)
|
|
| K56.3 |
Gallstone ileus
Obstruction of intestine by gallstone
|
| K56.4 |
Other impaction of intestine [+]
|
|
| K56.41 |
Fecal impaction
| Excludes 1: |
constipation (K59.0-)
|
| Excludes 2: |
incomplete defecation (R15.0)
|
|
| K56.49 |
Other impaction of intestine
|
|
| K56.5 |
Intestinal adhesions [bands] with obstruction (postinfection) [+]
Abdominal hernia due to adhesions with obstruction
Peritoneal adhesions [bands] with intestinal obstruction (postinfection)
|
|
| K56.50 |
Intestinal adhesions [bands], unspecified as to partial versus complete obstruction
Intestinal adhesions with obstruction NOS
|
| K56.51 |
Intestinal adhesions [bands], with partial obstruction
Intestinal adhesions with incomplete 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
Incomplete intestinal obstruction, NOS
|
| K56.601 |
Complete intestinal obstruction, unspecified as to cause
|
| K56.609 |
Unspecified intestinal obstruction, unspecified as to partial versus complete obstruction
Intestinal obstruction NOS
|
|
| K56.69 |
Other intestinal obstruction [+]
Enterostenosis NOS
Obstructive ileus NOS
Occlusion of colon or intestine NOS
Stenosis of colon or intestine NOS
Stricture of colon or intestine NOS
|
|
| K56.690 |
Other partial intestinal obstruction
Other incomplete intestinal obstruction
|
| K56.691 |
Other complete intestinal obstruction
|
| K56.699 |
Other intestinal obstruction unspecified as to partial versus complete obstruction
Other intestinal obstruction, NEC
|
|
|
| K56.7 |
Ileus, unspecified
| Excludes 1: |
obstructive ileus (K56.69-)
|
| Excludes 2: |
intestinal obstruction with hernia (K40-K46)
|
|
|
| K57 |
Diverticular disease of intestine [+]
| Code also |
if applicable peritonitis K65.-
|
| Excludes 1: |
congenital diverticulum of intestine (Q43.8)
Meckel's diverticulum (Q43.0)
|
| Excludes 2: |
diverticulum of appendix (K38.2)
|
|
|
| K57.0 |
Diverticulitis of small intestine with perforation and abscess [+]
| Excludes 1: |
diverticulitis of both small and large intestine with perforation and abscess (K57.4-)
|
|
|
| K57.00 |
Diverticulitis of small intestine with perforation and abscess without bleeding
|
| K57.01 |
Diverticulitis of small intestine with perforation and abscess with bleeding
|
|
| K57.1 |
Diverticular disease of small intestine without perforation or abscess [+]
| Excludes 1: |
diverticular disease of both small and large intestine without perforation or abscess (K57.5-)
|
|
|
| K57.10 |
Diverticulosis of small intestine without perforation or abscess without bleeding
Diverticular disease of small intestine NOS
|
| K57.11 |
Diverticulosis of small intestine without perforation or abscess with bleeding
|
| K57.12 |
Diverticulitis of small intestine without perforation or abscess without bleeding
|
| K57.13 |
Diverticulitis of small intestine without perforation or abscess with bleeding
|
|
| K57.2 |
Diverticulitis of large intestine with perforation and abscess [+]
| Excludes 1: |
diverticulitis of both small and large intestine with perforation and abscess (K57.4-)
|
|
|
| K57.20 |
Diverticulitis of large intestine with perforation and abscess without bleeding
|
| K57.21 |
Diverticulitis of large intestine with perforation and abscess with bleeding
|
|
| K57.3 |
Diverticular disease of large intestine without perforation or abscess [+]
| Excludes 1: |
diverticular disease of both small and large intestine without perforation or abscess (K57.5-)
|
|
|
| K57.30 |
Diverticulosis of large intestine without perforation or abscess without bleeding
Diverticular disease of colon NOS
|
| K57.31 |
Diverticulosis of large intestine without perforation or abscess with bleeding
|
| K57.32 |
Diverticulitis of large intestine without perforation or abscess without bleeding
|
| K57.33 |
Diverticulitis of large intestine without perforation or abscess with bleeding
|
|
| K57.4 |
Diverticulitis of both small and large intestine with perforation and abscess [+]
|
|
| K57.40 |
Diverticulitis of both small and large intestine with perforation and abscess without bleeding
|
| K57.41 |
Diverticulitis of both small and large intestine with perforation and abscess with bleeding
|
|
| K57.5 |
Diverticular disease of both small and large intestine without perforation or abscess [+]
|
|
| K57.50 |
Diverticulosis of both small and large intestine without perforation or abscess without bleeding
Diverticular disease of both small and large intestine NOS
|
| K57.51 |
Diverticulosis of both small and large intestine without perforation or abscess with bleeding
|
| K57.52 |
Diverticulitis of both small and large intestine without perforation or abscess without bleeding
|
| K57.53 |
Diverticulitis of both small and large intestine without perforation or abscess with bleeding
|
|
| K57.8 |
Diverticulitis of intestine, part unspecified, with perforation and abscess [+]
|
|
| K57.80 |
Diverticulitis of intestine, part unspecified, with perforation and abscess without bleeding
|
| K57.81 |
Diverticulitis of intestine, part unspecified, with perforation and abscess with bleeding
|
|
| K57.9 |
Diverticular disease of intestine, part unspecified, without perforation or abscess [+]
|
|
| K57.90 |
Diverticulosis of intestine, part unspecified, without perforation or abscess without bleeding
Diverticular disease of intestine NOS
|
| K57.91 |
Diverticulosis of intestine, part unspecified, without perforation or abscess with bleeding
|
| K57.92 |
Diverticulitis of intestine, part unspecified, without perforation or abscess without bleeding
|
| K57.93 |
Diverticulitis of intestine, part unspecified, without perforation or abscess with bleeding
|
|
|
| K58 |
Irritable bowel syndrome [+]
| Includes: |
irritable colon
spastic colon
|
|
|
| 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
Irritable bowel syndrome NOS
|
|
| K59 |
Other functional intestinal disorders [+]
| Excludes 1: |
change in bowel habit NOS (R19.4)
intestinal malabsorption (K90.-)
psychogenic intestinal disorders (F45.8)
|
| Excludes 2: |
functional disorders of stomach (K31.-)
|
|
|
| K59.0 |
Constipation [+]
| Excludes 1: |
fecal impaction (K56.41)
|
| Excludes 2: |
incomplete defecation (R15.0)
|
|
|
| K59.00 |
Constipation, unspecified
|
| K59.01 |
Slow transit constipation
|
| K59.02 |
Outlet dysfunction constipation
|
| K59.03 |
Drug induced constipation
| Use additional |
code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5) |
|
| K59.04 |
Chronic idiopathic constipation
Functional constipation
|
| K59.09 |
Other constipation
Chronic constipation
|
|
| K59.1 |
Functional diarrhea
| Excludes 1: |
diarrhea NOS (R19.7)
irritable bowel syndrome with diarrhea (K58.0)
|
|
| K59.2 |
Neurogenic bowel, not elsewhere classified
|
| K59.3 |
Megacolon, not elsewhere classified [+]
Dilatation of colon
| Code first |
, if applicable (T51-T65) to identify toxic agent
|
| Excludes 1: |
congenital megacolon (aganglionic) (Q43.1)
megacolon (due to) (in) Chagas' disease (B57.32)
megacolon (due to) (in) Clostridium difficile (A04.7-)
megacolon (due to) (in) Hirschsprung's disease (Q43.1)
|
|
|
|
| K59.4 |
Anal spasm
Proctalgia fugax
|
| K59.8 |
Other specified functional intestinal disorders [+]
|
|
| K59.81 |
Ogilvie syndrome
Acute colonic pseudo-obstruction (ACPO)
|
| K59.89 |
Other specified functional intestinal disorders
Atony of colon
Pseudo-obstruction (acute) (chronic) of intestine
|
|
| K59.9 |
Functional intestinal disorder, unspecified
|
|
| K60 |
Fissure and fistula of anal and rectal regions [+]
| Excludes 1: |
fissure and fistula of anal and rectal regions with abscess or cellulitis (K61.-)
|
| Excludes 2: |
anal sphincter tear (healed) (nontraumatic) (old) (K62.81)
|
|
|
| K60.0 |
Acute anal fissure
|
| K60.1 |
Chronic anal fissure
|
| K60.2 |
Anal fissure, unspecified
|
| K60.3 |
Anal fistula
|
| K60.4 |
Rectal fistula
Fistula of rectum to skin
| Excludes 1: |
rectovaginal fistula (N82.3)
vesicorectal fistual (N32.1)
|
|
| K60.5 |
Anorectal fistula
|
|
| K61 |
Abscess of anal and rectal regions [+]
| Includes: |
abscess of anal and rectal regions
cellulitis of anal and rectal regions
|
|
|
| K61.0 |
Anal abscess
Perianal abscess
| Excludes 2: |
intrasphincteric abscess (K61.4)
|
|
| K61.1 |
Rectal abscess
Perirectal abscess
| Excludes 1: |
ischiorectal abscess (K61.39)
|
|
| K61.2 |
Anorectal abscess
|
| K61.3 |
Ischiorectal abscess [+]
|
|
| K61.31 |
Horseshoe abscess
|
| K61.39 |
Other ischiorectal abscess
Abscess of ischiorectal fossa
Ischiorectal abscess, NOS
|
|
| K61.4 |
Intrasphincteric abscess
Intersphincteric abscess
|
| K61.5 |
Supralevator abscess
|
|
| K62 |
Other diseases of anus and rectum [+]
| Includes: |
anal canal
|
| Excludes 2: |
colostomy and enterostomy malfunction (K94.0-, K94.1-)
fecal incontinence (R15.-)
hemorrhoids (K64.-)
|
|
|
| K62.0 |
Anal polyp
|
| K62.1 |
Rectal polyp
| Excludes 1: |
adenomatous polyp (D12.8)
|
|
| K62.2 |
Anal prolapse
Prolapse of anal canal
|
| K62.3 |
Rectal prolapse
Prolapse of rectal mucosa
|
| K62.4 |
Stenosis of anus and rectum
Stricture of anus (sphincter)
|
| K62.5 |
Hemorrhage of anus and rectum
| Excludes 1: |
gastrointestinal bleeding NOS (K92.2)
melena (K92.1)
neonatal rectal hemorrhage (P54.2)
|
|
| K62.6 |
Ulcer of anus and rectum
Solitary ulcer of anus and rectum
Stercoral ulcer of anus and rectum
| Excludes 1: |
fissure and fistula of anus and rectum (K60.-)
ulcerative colitis (K51.-)
|
|
| K62.7 |
Radiation proctitis
| Use additional |
code to identify the type of radiation (W88.-) |
| Use additional |
or radiation therapy (Y84.2) |
|
| K62.8 |
Other specified diseases of anus and rectum [+]
| Excludes 2: |
ulcerative proctitis (K51.2)
|
|
|
| K62.81 |
Anal sphincter tear (healed) (nontraumatic) (old)
Tear of anus, nontraumatic
| Use additional |
code for any associated fecal incontinence (R15.-) |
| Excludes 2: |
anal fissure (K60.-)
anal sphincter tear (healed) (old) complicating delivery (O34.7-)
traumatic tear of anal sphincter (S31.831)
|
|
| K62.82 |
Dysplasia of anus
Anal intraepithelial neoplasia I and II (AIN I and II) (histologically confirmed)
Dysplasia of anus NOS
Mild and moderate dysplasia of anus (histologically confirmed)
| Excludes 1: |
abnormal results from anal cytologic examination without histologic confirmation (R85.61-)
anal intraepithelial neoplasia III (D01.3)
carcinoma in situ of anus (D01.3)
HGSIL of anus (R85.613)
severe dysplasia of anus (D01.3)
|
|
| K62.89 |
Other specified diseases of anus and rectum
Proctitis NOS
| Use additional |
code for any associated fecal incontinence (R15.-) |
|
|
| K62.9 |
Disease of anus and rectum, unspecified
|
|
| K63 |
Other diseases of intestine [+]
|
|
| K63.0 |
Abscess of intestine
| Excludes 1: |
abscess of intestine with Crohn's disease (K50.014, K50.114, K50.814, K50.914,)
abscess of intestine with diverticular disease (K57.0, K57.2, K57.4, K57.8)
abscess of intestine with ulcerative colitis (K51.014, K51.214, K51.314, K51.414, K51.514, K51.814, K51.914)
|
| Excludes 2: |
abscess of anal and rectal regions (K61.-)
abscess of appendix (K35.3-)
|
|
| K63.1 |
Perforation of intestine (nontraumatic)
Perforation (nontraumatic) of rectum
| Excludes 1: |
perforation (nontraumatic) of duodenum (K26.-)
perforation (nontraumatic) of intestine with diverticular disease (K57.0, K57.2, K57.4, K57.8)
|
| Excludes 2: |
perforation (nontraumatic) of appendix (K35.2-, K35.3-)
|
|
| K63.2 |
Fistula of intestine
| Excludes 1: |
fistula of duodenum (K31.6)
fistula of intestine with Crohn's disease (K50.013, K50.113, K50.813, K50.913,)
fistula of intestine with ulcerative colitis (K51.013, K51.213, K51.313, K51.413, K51.513, K51.813, K51.913)
|
| Excludes 2: |
fistula of anal and rectal regions (K60.-)
fistula of appendix (K38.3)
intestinal-genital fistula, female (N82.2-N82.4)
vesicointestinal fistula (N32.1)
|
|
| K63.3 |
Ulcer of intestine
Primary ulcer of small intestine
| Excludes 1: |
duodenal ulcer (K26.-)
gastrointestinal ulcer (K28.-)
gastrojejunal ulcer (K28.-)
jejunal ulcer (K28.-)
peptic ulcer, site unspecified (K27.-)
ulcer of intestine with perforation (K63.1)
ulcer of anus or rectum (K62.6)
ulcerative colitis (K51.-)
|
|
| K63.4 |
Enteroptosis
|
| K63.5 |
Polyp of colon
| Excludes 2: |
adenomatous polyp of colon (D12.-)
inflammatory polyp of colon (K51.4-)
polyposis of colon (D12.6)
|
|
| K63.8 |
Other specified diseases of intestine [+]
|
|
| K63.81 |
Dieulafoy lesion of intestine
| Excludes 2: |
Dieulafoy lesion of stomach and duodenum (K31.82)
|
|
| K63.82 |
Intestinal microbial overgrowth [+]
|
|
| K63.821 |
Small intestinal bacterial overgrowth
|
| 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
|
|
| K64 |
Hemorrhoids and perianal venous thrombosis [+]
| Includes: |
piles
|
| Excludes 1: |
hemorrhoids complicating childbirth and the puerperium (O87.2)
hemorrhoids complicating pregnancy (O22.4)
|
|
|
| K64.0 |
First degree hemorrhoids
Grade/stage I hemorrhoids
Hemorrhoids (bleeding) without prolapse outside of anal canal
|
| K64.1 |
Second degree hemorrhoids
Grade/stage II hemorrhoids
Hemorrhoids (bleeding) that prolapse with straining, but retract spontaneously
|
| K64.2 |
Third degree hemorrhoids
Grade/stage III hemorrhoids
Hemorrhoids (bleeding) that prolapse with straining and require manual replacement back inside anal canal
|
| K64.3 |
Fourth degree hemorrhoids
Grade/stage IV hemorrhoids
Hemorrhoids (bleeding) with prolapsed tissue that cannot be manually replaced
|
| K64.4 |
Residual hemorrhoidal skin tags
External hemorrhoids, NOS
Skin tags of anus
|
| K64.5 |
Perianal venous thrombosis
External hemorrhoids with thrombosis
Perianal hematoma
Thrombosed hemorrhoids NOS
|
| K64.8 |
Other hemorrhoids
Internal hemorrhoids, without mention of degree
Prolapsed hemorrhoids, degree not specified
|
| K64.9 |
Unspecified hemorrhoids
Hemorrhoids (bleeding) NOS
Hemorrhoids (bleeding) without mention of degree
|
|