Classification of diseases and injuries



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DISEASES OF ESOPHAGUS, STOMACH, AND DUODENUM (530-539)

530 Diseases of esophagus

Excludes: esophageal varices (456.0-456.2)

530.0 Achalasia and cardiospasm

Achalasia (of cardia)

Aperistalsis of esophagus

Megaesophagus

Excludes: congenital cardiospasm (750.7)

530.1 Esophagitis

Esophagitis:

chemical

peptic


postoperative

regurgitant

Use additional E code to identify cause, if induced by chemical

Excludes: tuberculous esophagitis (017.8)

530.10 Esophagitis, unspecified

Esophagitis NOS

530.11 Reflux esophagitis

530.12 Acute esophagitis

530.13 Eosinophilic esophagitis

530.19 Other esophagitis

Abscess of esophagus

530.2 Ulcer of esophagus

Ulcer of esophagus

fungal


peptic

Ulcer of esophagus due to ingestion of:

aspirin

chemicals



medicines

Use additional E code to identify cause, if induced by chemical or drug

530.20 Ulcer of esophagus without bleeding

Ulcer of esophagus NOS

530.21 Ulcer of esophagus with bleeding

Excludes: bleeding esophageal varices (456.0, 456.20)

530.3 Stricture and stenosis of esophagus

Compression of esophagus

Obstruction of esophagus

Excludes: congenital stricture of esophagus (750.3)

530.4 Perforation of esophagus

Rupture of esophagus

Excludes: traumatic perforation of esophagus (862.22, 862.32, 874.4-874.5)

530.5 Dyskinesia of esophagus

Corkscrew esophagus

Curling esophagus

Esophagospasm

Spasm of esophagus

Excludes: cardiospasm (530.0)

530.6 Diverticulum of esophagus, acquired

Diverticulum, acquired:

epiphrenic

pharyngoesophageal

pulsion


subdiaphragmatic

traction


Zenker's (hypopharyngeal)

Esophageal pouch, acquired

Esophagocele, acquired

Excludes: congenital diverticulum of esophagus (750.4)

530.7 Gastroesophageal laceration-hemorrhage syndrome

Mallory-Weiss syndrome

530.8 Other specified disorders of esophagus

530.81 Esophageal reflux

Gastroesophageal reflux

Excludes: reflux esophagitis (530.11)

530.82 Esophageal hemorrhage

Excludes: hemorrhage due to esophageal varices (456.0-456.2)

530.83 Esophageal leukoplakia

530.84 Tracheoesophageal fistula

Excludes: congenital tracheoesophageal fistula (750.3)

530.85 Barrett's esophagus

530.86 Infection of esophagostomy

Use additional code to specify infection

530.87 Mechanical complication of esophagostomy

Malfunction of esophagostomy

530.89 Other

Excludes: Paterson-Kelly syndrome (280.8)

530.9 Unspecified disorder of esophagus

531 Gastric ulcer

Includes: ulcer (peptic):

prepyloric

pylorus

stomach


Use additional E code to identify drug, if drug-induced

Excludes: peptic ulcer NOS (533.0-533.9)

The following fifth-digit subclassification is for use with category 531:

0 without mention of obstruction

1 with obstruction

531.0 Acute with hemorrhage

[0-1]

531.1 Acute with perforation



[0-1]

531.2 Acute with hemorrhage and perforation

[0-1]

531.3 Acute without mention of hemorrhage or perforation



[0-1]

531.4 Chronic or unspecified with hemorrhage

[0-1]

531.5 Chronic or unspecified with perforation



[0-1]

531.6 Chronic or unspecified with hemorrhage and perforation

[0-1]

531.7 Chronic without mention of hemorrhage or perforation



[0-1]

531.9 Unspecified as acute or chronic, without mention of hemorrhage or perforation

[0-1]

532 Duodenal ulcer



Includes: erosion (acute) of duodenum

ulcer (peptic):

duodenum

postpyloric

Use additional E code to identify drug, if drug-induced

Excludes: peptic ulcer NOS (533.0-533.9)

The following fifth-digit subclassification is for use with category 532:

0 without mention of obstruction

1 with obstruction

532.0 Acute with hemorrhage

[0-1]

532.1 Acute with perforation



[0-1]

532.2 Acute with hemorrhage and perforation

[0-1]

532.3 Acute without mention of hemorrhage or perforation



[0-1]

532.4 Chronic or unspecified with hemorrhage

[0-1]

532.5 Chronic or unspecified with perforation



[0-1]

532.6 Chronic or unspecified with hemorrhage and perforation

[0-1]

532.7 Chronic without mention of hemorrhage or perforation



[0-1]

532.9 Unspecified as acute or chronic, without mention of hemorrhage or perforation

[0-1]

533 Peptic ulcer, site unspecified



Includes: gastroduodenal ulcer NOS

peptic ulcer NOS

stress ulcer NOS

Use additional E code to identify drug, if drug-induced

Excludes: peptic ulcer:

duodenal (532.0-532.9)

gastric (531.0-531.9)

The following fifth-digit subclassification is for use with category 533:

0 without mention of obstruction

1 with obstruction

533.0 Acute with hemorrhage

[0-1]


533.1 Acute with perforation

[0-1]


533.2 Acute with hemorrhage and perforation

[0-1]


533.3 Acute without mention of hemorrhage and perforation

[0-1]


533.4 Chronic or unspecified with hemorrhage

[0-1]


533.5 Chronic or unspecified with perforation

[0-1]


533.6 Chronic or unspecified with hemorrhage and perforation

[0-1]


533.7 Chronic without mention of hemorrhage or perforation

[0-1]


533.9 Unspecified as acute or chronic, without mention of hemorrhage or perforation

[0-1]


534 Gastrojejunal ulcer

Includes: ulcer (peptic) or erosion:

anastomotic

gastrocolic

gastrointestinal

gastrojejunal

jejunal

marginal


stomal

Excludes: primary ulcer of small intestine (569.82)

The following fifth-digit subclassification is for use with category 534:

0 without mention of obstruction

1 with obstruction

534.0 Acute with hemorrhage

[0-1]

534.1 Acute with perforation



[0-1]

534.2 Acute with hemorrhage and perforation

[0-1]

534.3 Acute without mention of hemorrhage or perforation



[0-1]

534.4 Chronic or unspecified with hemorrhage

[0-1]

534.5 Chronic or unspecified with perforation



[0-1]

534.6 Chronic or unspecified with hemorrhage and perforation

[0-1]

534.7 Chronic without mention of hemorrhage or perforation



[0-1]

534.9 Unspecified as acute or chronic, without mention of hemorrhage or perforation

[0-1]

535 Gastritis and duodenitis



The following fifth-digit subclassification is for use with category 535:

0 without mention of hemorrhage

1 with hemorrhage

535.0 Acute gastritis

[0-1]

535.1 Atrophic gastritis



[0-1]

Gastritis:

atrophic-hyperplastic

chronic (atrophic)

535.2 Gastric mucosal hypertrophy

[0-1]


Hypertrophic gastritis

535.3 Alcoholic gastritis

[0-1]

535.4 Other specified gastritis



[0-1]

Gastritis:

allergic

bile induced

irritant

superficial

toxic

Excludes: eosinophilic gastritis (535.7)



535.5 Unspecified gastritis and gastroduodenitis

[0-1]


535.6 Duodenitis

[0-1]


535.7 Eosinophilic gastritis

[0-1]


536 Disorders of function of stomach

Excludes: functional disorders of stomach specified as psychogenic (306.4)

536.0 Achlorhydria

536.1 Acute dilatation of stomach

Acute distention of stomach

536.2 Persistent vomiting

Cyclical vomiting

Habit vomiting

Persistent vomiting [not of pregnancy]

Uncontrollable vomiting

Excludes: bilious emesis (vomiting) (787.04)

excessive vomiting in pregnancy (643.0-643.9)

vomiting NOS (787.03)

cyclical, associated with migraine (346.2)

vomiting of fecal matter (569.87)

536.3 Gastroparesis

Gastroparalysis

Code first underlying disease, if known, such as:

diabetes mellitus (249.6, 250.6)

536.4 Gastrostomy complications

536.40 Gastrostomy complication, unspecified

536.41 Infection of gastrostomy

Use additional code to identify type of infection, such as:

abscess or cellulitis of abdomen (682.2)

septicemia (038.0-038.9)

Use additional code to identify organism (041.00-041.9)

536.42 Mechanical complication of gastrostomy

536.49 Other gastrostomy complications

536.8 Dyspepsia and other specified disorders of function of stomach

Achylia gastrica

Hourglass contraction of stomach

Hyperacidity

Hyperchlorhydria

Hypochlorhydria

Indigestion

Tachygastria

Excludes: achlorhydria (536.0)

heartburn (787.1)

536.9 Unspecified functional disorder of stomach

Functional gastrointestinal:

disorder

disturbance

irritation

537 Other disorders of stomach and duodenum

537.0 Acquired hypertrophic pyloric stenosis

Constriction of pylorus, acquired or adult

Obstruction of pylorus, acquired or adult

Stricture of pylorus, acquired or adult

Excludes: congenital or infantile pyloric stenosis (750.5)

537.1 Gastric diverticulum

Excludes: congenital diverticulum of stomach (750.7)

537.2 Chronic duodenal ileus

537.3 Other obstruction of duodenum

Cicatrix of duodenum

Stenosis of duodenum

Stricture of duodenum

Volvulus of duodenum

Excludes: congenital obstruction of duodenum (751.1)

537.4 Fistula of stomach or duodenum

Gastrocolic fistula

Gastrojejunocolic fistula

537.5 Gastroptosis

537.6 Hourglass stricture or stenosis of stomach

Cascade stomach

Excludes: congenital hourglass stomach (750.7)

hourglass contraction of stomach (536.8)

537.8 Other specified disorders of stomach and duodenum

537.81 Pylorospasm

Excludes: congenital pylorospasm (750.5)

537.82 Angiodysplasia of stomach and duodenum without mention of hemorrhage

537.83 Angiodysplasia of stomach and duodenum with hemorrhage

537.84 Dieulafoy lesion (hemorrhagic) of stomach and duodenum

537.89 Other

Gastric or duodenal:

prolapse

rupture


Intestinal metaplasia of gastric mucosa

Passive congestion of stomach

Excludes: diverticula of duodenum (562.00-562.01)

gastrointestinal hemorrhage (578.0-578.9)

537.9 Unspecified disorder of stomach and duodenum

538 Gastrointestinal mucositis (ulcerative)

Use additional E code to identify adverse effects of therapy, such as:

antineoplastic and immunosuppressive drugs (E930.7, E933.1)

radiation therapy (E879.2)

Excludes: mucositis (ulcerative) of mouth and oral soft tissue (528.00-528.09)

539 Complications of bariatric procedures

539.0 Complications of gastric band procedure

539.01 Infection due to gastric band procedure

Use additional code to specify type of infection, such as:

abscess or cellulitis of abdomen (682.2)

septicemia (038.0-038.9)

Use additional code to identify organism (041.00-041.9)

539.09 Other complications of gastric band procedure

Use additional code(s) to further specify complication

539.8 Complications of other bariatric procedure

Excludes: complications of gastric band surgery (539.01-539.09)

539.81 Infection due to other bariatric procedure

Use additional code to specify type of infection, such as:

abscess or cellulitis of abdomen (682.2)

septicemia (038.0-038.9)

Use additional code to identify organism (041.00-041.9)

539.89 Other complications of other bariatric procedure

Use additional code(s) to further specify complication



APPENDICITIS (540-543)

540 Acute appendicitis

540.0 With generalized peritonitis

Appendicitis (acute) with: perforation, peritonitis (generalized), rupture:

fulminating

gangrenous

obstructive

Cecitis (acute) with: perforation, peritonitis (generalized), rupture

Rupture of appendix

Excludes: acute appendicitis with peritoneal abscess (540.1)

540.1 With peritoneal abscess

Abscess of appendix

With generalized peritonitis

540.9 Without mention of peritonitis

Acute:

appendicitis without mention of perforation, peritonitis, or rupture:



fulminating

gangrenous

inflamed

obstructive

cecitis without mention of perforation, peritonitis, or rupture

541 Appendicitis, unqualified

542 Other appendicitis

Appendicitis:

chronic

recurrent



relapsing

subacute


Excludes: hyperplasia (lymphoid) of appendix (543.0)

543 Other diseases of appendix

543.0 Hyperplasia of appendix (lymphoid)

543.9 Other and unspecified diseases of appendix

Appendicular or appendiceal:

colic


concretion

fistula


Diverticulum of appendix

Fecalith of appendix

Intussusception of appendix

Mucocele of appendix

Stercolith of appendix

HERNIA OF ABDOMINAL CAVITY (550-553)

Includes: hernia:

acquired

congenital, except diaphragmatic or hiatal

550 Inguinal hernia

Includes: bubonocele

inguinal hernia (direct) (double) (indirect) (oblique) (sliding)

scrotal hernia

The following fifth-digit subclassification is for use with category 550:

0 unilateral or unspecified (not specified as recurrent)

Unilateral NOS

1 unilateral or unspecified, recurrent

2 bilateral (not specified as recurrent)

Bilateral NOS

3 bilateral, recurrent

550.0 Inguinal hernia, with gangrene

[0-3]


Inguinal hernia with gangrene (and obstruction)

550.1 Inguinal hernia, with obstruction, without mention of gangrene

[0-3]

Inguinal hernia with mention of incarceration, irreducibility, or strangulation



550.9 Inguinal hernia, without mention of obstruction or gangrene

[0-3]


Inguinal hernia NOS

551 Other hernia of abdominal cavity, with gangrene

Includes: that with gangrene (and obstruction)

551.0 Femoral hernia with gangrene

551.00 Unilateral or unspecified (not specified as recurrent)

Femoral hernia NOS with gangrene

551.01 Unilateral or unspecified, recurrent

551.02 Bilateral (not specified as recurrent)

551.03 Bilateral, recurrent

551.1 Umbilical hernia with gangrene

Parumbilical hernia specified as gangrenous

551.2 Ventral hernia with gangrene

551.20 Ventral, unspecified, with gangrene

551.21 Incisional, with gangrene

Hernia:

postoperative specified as gangrenous



recurrent, ventral specified as gangrenous

551.29 Other

Epigastric hernia specified as gangrenous

551.3 Diaphragmatic hernia with gangrene

Hernia:

hiatal (esophageal) (sliding) specified as gangrenous



paraesophageal specified as gangrenous

Thoracic stomach specified as gangrenous

Excludes: congenital diaphragmatic hernia (756.6)

551.8 Hernia of other specified sites, with gangrene

Any condition classifiable to 553.8 if specified as gangrenous

551.9 Hernia of unspecified site, with gangrene

Any condition classifiable to 553.9 if specified as gangrenous

552 Other hernia of abdominal cavity, with obstruction, but without mention of gangrene

Excludes: that with mention of gangrene (551.0-551.9)

552.0 Femoral hernia with obstruction

Femoral hernia specified as incarcerated, irreducible, strangulated, or causing obstruction

552.00 Unilateral or unspecified (not specified as recurrent)

552.01 Unilateral or unspecified, recurrent

552.02 Bilateral (not specified as recurrent)

552.03 Bilateral, recurrent

552.1 Umbilical hernia with obstruction

Parumbilical hernia specified as incarcerated, irreducible, strangulated, or causing obstruction

552.2 Ventral hernia with obstruction

Ventral hernia specified as incarcerated, irreducible, strangulated, or causing obstruction

552.20 Ventral, unspecified, with obstruction

552.21 Incisional, with obstruction

Hernia:


postoperative specified as incarcerated, irreducible, strangulated, or causing obstruction

recurrent, ventral specified as incarcerated, irreducible, strangulated, or causing obstruction

552.29 Other

Epigastric hernia specified as incarcerated, irreducible, strangulated, or causing obstruction

552.3 Diaphragmatic hernia with obstruction

Hernia:


hiatal (esophageal) (sliding) specified as incarcerated, irreducible, strangulated, or causing obstruction

paraesophageal specified as incarcerated, irreducible, strangulated, or causing obstruction

Thoracic stomach specified as incarcerated, irreducible, strangulated, or causing obstruction

Excludes: congenital diaphragmatic hernia (756.6)

552.8 Hernia of other specified sites, with obstruction

Any condition classifiable to 553.8 if specified as incarcerated, irreducible, strangulated, or causing obstruction

552.9 Hernia of unspecified site, with obstruction

Any condition classifiable to 553.9 if specified as incarcerated, irreducible, strangulated, or causing obstruction

553 Other hernia of abdominal cavity without mention of obstruction or gangrene

Excludes: the listed conditions with mention of:

gangrene (and obstruction) (551.0-551.9)

obstruction (552.0-552.9)

553.0 Femoral hernia

553.00 Unilateral or unspecified (not specified as recurrent)

Femoral hernia NOS

553.01 Unilateral or unspecified, recurrent

553.02 Bilateral (not specified as recurrent)

553.03 Bilateral, recurrent

553.1 Umbilical hernia

Parumbilical hernia

553.2 Ventral hernia

553.20 Ventral, unspecified

553.21 Incisional

Hernia:


postoperative

recurrent, ventral

553.29 Other

Hernia:


epigastric

spigelian

553.3 Diaphragmatic hernia

Hernia:


hiatal (esophageal) (sliding)

paraesophageal

Thoracic stomach

Excludes: congenital:

diaphragmatic hernia (756.6)

hiatal hernia (750.6)

esophagocele (530.6)

553.8 Hernia of other specified sites

Hernia:

ischiatic



ischiorectal

lumbar


obturator

pudendal


retroperitoneal

sciatic


Other abdominal hernia of specified site

Excludes: vaginal enterocele (618.6)

553.9 Hernia of unspecified site

Enterocele

Epiplocele

Hernia:


NOS

interstitial

intestinal

intra-abdominal

Rupture (nontraumatic)

Sarcoepiplocele



NONINFECTIOUS ENTERITIS AND COLITIS (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



OTHER DISEASES OF INTESTINES AND PERITONEUM (560-569)

560 Intestinal obstruction without mention of hernia

Excludes: duodenum (537.2-537.3)

inguinal hernia with obstruction (550.1)

intestinal obstruction complicating hernia (552.0-552.9)

mesenteric:

embolism (557.0)

infarction (557.0)

thrombosis (557.0)

neonatal intestinal obstruction (277.01, 777.1-777.2, 777.4)

560.0 Intussusception

Intussusception (colon) (intestine) (rectum)

Invagination of intestine or colon

Excludes: intussusception of appendix (543.9)

560.1 Paralytic ileus

Adynamic ileus

Ileus (of intestine) (of bowel) (of colon)

Paralysis of intestine or colon

Excludes: gallstone ileus (560.31)

560.2 Volvulus

Knotting of intestine, bowel, or colon

Strangulation of intestine, bowel, or colon

Torsion of intestine, bowel, or colon

Twist of intestine, bowel, or colon

560.3 Impaction of intestine

560.30 Impaction of intestine, unspecified

Impaction of colon

560.31 Gallstone ileus

Obstruction of intestine by gallstone

560.32 Fecal impaction

Excludes: constipation (564.00-564.09)

incomplete defecation (787.61)

560.39 Other

Concretion of intestine

Enterolith

560.8 Other specified intestinal obstruction

560.81 Intestinal or peritoneal adhesions with obstruction (postoperative) (postinfection)

Excludes: adhesions without obstruction (568.0)

560.89 Other

Acute pseudo-obstruction of intestine

Mural thickening causing obstruction

Excludes: ischemic stricture of intestine (557.1)

560.9 Unspecified intestinal obstruction

Enterostenosis

Obstruction of intestine or colon

Occlusion of intestine or colon

Stenosis of intestine or colon

Stricture of intestine or colon

Excludes: congenital stricture or stenosis of intestine (751.1-751.2)

562 Diverticula of intestine

Use additional code to identify any associated:

peritonitis (567.0-567.9)

Excludes: congenital diverticulum of colon (751.5)

diverticulum of appendix (543.9)

Meckel's diverticulum (751.0)

562.0 Small intestine

562.00 Diverticulosis of small intestine (without mention of hemorrhage)

Diverticulosis:

duodenum without mention of diverticulitis

ileum without mention of diverticulitis

jejunum without mention of diverticulitis

562.01 Diverticulitis of small intestine (without mention of hemorrhage)

Diverticulitis (with diverticulosis):

duodenum


ileum

jejunum


small intestine

562.02 Diverticulosis of small intestine with hemorrhage

562.03 Diverticulitis of small intestine with hemorrhage

562.1 Colon

562.10 Diverticulosis of colon (without mention of hemorrhage)

Diverticulosis without mention of diverticulitis:

NOS

intestine (large) without mention of diverticulitis



Diverticular disease (colon) without mention of diverticulitis

562.11 Diverticulitis of colon without mention of hemorrhage

Diverticulitis (with diverticulosis):

NOS


colon

intestine (large)

562.12 Diverticulosis of colon with hemorrhage

562.13 Diverticulitis of colon with hemorrhage

564 Functional digestive disorders, not elsewhere classified

Excludes: functional disorders of stomach (536.0-536.9)

those specified as psychogenic (306.4)

564.0 Constipation

Excludes: fecal impaction (560.32)

incomplete defecation (787.61)

psychogenic constipation (306.4)

564.00 Constipation, unspecified

564.01 Slow transit constipation

564.02 Outlet dysfunction constipation

564.09 Other constipation

564.1 Irritable bowel syndrome

Irritable colon

Spastic colon

564.2 Postgastric surgery syndromes

Dumping syndrome

Jejunal syndrome

Postgastrectomy syndrome

Postvagotomy syndrome

Excludes: malnutrition following gastrointestinal surgery (579.3)

postgastrojejunostomy ulcer (534.0-534.9)

564.3 Vomiting following gastrointestinal surgery

Vomiting (bilious) following gastrointestinal surgery

564.4 Other postoperative functional disorders

Diarrhea following gastrointestinal surgery

Excludes: colostomy and enterostomy complications (569.60-569.69)

564.5 Functional diarrhea

Excludes: diarrhea:

NOS (787.91)

psychogenic (306.4)

564.6 Anal spasm

Proctalgia fugax

564.7 Megacolon, other than Hirschsprung's

Dilatation of colon

Excludes: megacolon:

congenital [Hirschsprung's] (751.3)

toxic (556)

564.8 Other specified functional disorders of intestine

Excludes: malabsorption (579.0-579.9)

564.81 Neurogenic bowel

564.89 Other functional disorders of intestine

Atony of colon

564.9 Unspecified functional disorder of intestine

565 Anal fissure and fistula

565.0 Anal fissure

Excludes: anal sphincter tear (healed) (non-traumatic) (old) (569.43)

traumatic (863.89, 863.99)

565.1 Anal fistula

Fistula:

anorectal

rectal

rectum to skin



Excludes: fistula of rectum to internal organs - see Alphabetic Index

ischiorectal fistula (566)

rectovaginal fistula (619.1)

566 Abscess of anal and rectal regions

Abscess:

ischiorectal

perianal

perirectal

Cellulitis:

anal


perirectal

rectal


Ischiorectal fistula

567 Peritonitis and retroperitoneal infections

Excludes: peritonitis:

benign paroxysmal (277.31)

pelvic, female (614.5, 614.7)

periodic familial (277.31)

puerperal (670.8)

with or following:

abortion (634-638 with.0, 639.0)

appendicitis (540.0-540.1)

ectopic or molar pregnancy (639.0)

567.0 Peritonitis in infectious diseases classified elsewhere

Code first underlying disease

Excludes: peritonitis:

gonococcal (098.86)

syphilitic (095.2)

tuberculous (014.0)

567.1 Pneumococcal peritonitis

567.2 Other suppurative peritonitis

567.21 Peritonitis (acute) generalized

Pelvic peritonitis, male

567.22 Peritoneal abscess

Abscess (of):

abdominopelvic

mesenteric

omentum


peritoneum

retrocecal

subdiaphragmatic

subhepatic

subphrenic

567.23 Spontaneous bacterial peritonitis

Excludes: bacterial peritonitis NOS (567.29)

567.29 Other suppurative peritonitis

Subphrenic peritonitis

567.3 Retroperitoneal infections

567.31 Psoas muscle abscess

567.38 Other retroperitoneal abscess

567.39 Other retroperitoneal infections

567.8 Other specified peritonitis

567.81 Choleperitonitis

Peritonitis due to bile

567.82 Sclerosing mesenteritis

Fat necrosis of peritoneum

(Idiopathic) sclerosing mesenteric fibrosis

Mesenteric lipodystrophy

Mesenteric panniculitis

Retractile mesenteritis

567.89 Other specified peritonitis

Chronic proliferative peritonitis

Mesenteric saponification

Peritonitis due to urine

567.9 Unspecified peritonitis

Peritonitis:

NOS

of unspecified cause



568 Other disorders of peritoneum

568.0 Peritoneal adhesions (postoperative) (postinfection)

Adhesions (of):

abdominal (wall)

diaphragm

intestine

male pelvis

mesenteric

omentum

stomach


Adhesive bands

Excludes: adhesions:

pelvic, female (614.6)

with obstruction:

duodenum (537.3)

intestine (560.81)

568.8 Other specified disorders of peritoneum

568.81 Hemoperitoneum (nontraumatic)

568.82 Peritoneal effusion (chronic)

Excludes: ascites NOS (789.51-789.59)

568.89 Other

Peritoneal:

cyst

granuloma



568.9 Unspecified disorder of peritoneum

569 Other disorders of intestine

569.0 Anal and rectal polyp

Anal and rectal polyp NOS

Excludes: adenomatous anal and rectal polyp (211.4)

569.1 Rectal prolapse

Procidentia:

anus (sphincter)

rectum (sphincter)

Proctoptosis

Prolapse:

anal canal

rectal mucosa

Excludes: prolapsed hemorrhoids (455.2, 455.5)

569.2 Stenosis of rectum and anus

Stricture of anus (sphincter)

569.3 Hemorrhage of rectum and anus

Excludes: gastrointestinal bleeding NOS (578.9)

melena (578.1)

569.4 Other specified disorders of rectum and anus

569.41 Ulcer of anus and rectum

Solitary ulcer of anus (sphincter) or rectum (sphincter)

Stercoral ulcer of anus (sphincter) or rectum (sphincter)

569.42 Anal or rectal pain

569.43 Anal sphincter tear (healed) (old)

Tear of anus, nontraumatic

Use additional code for any associated fecal incontinence (787.60-787.63)

Excludes: anal fissure (565.0)

anal sphincter tear (healed) (old) complicating delivery (654.8)

569.44 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: abnormal results from anal cytologic examination without histologic confirmation (796.70-796.79)

anal intraepithelial neoplasia III (230.5, 230.6)

carcinoma in situ of anus (230.5, 230.6)

HGSIL of anus (796.74)

severe dysplasia of anus (230.5, 230.6)

569.49 Other

Granuloma of rectum (sphincter)

Rupture of rectum (sphincter)

Hypertrophy of anal papillae

Proctitis NOS

Use additional code for any associated fecal incontinence (787.60-787.63)

Excludes: fistula of rectum to:

internal organs see - Alphabetic Index

skin (565.1)

hemorrhoids (455.0-455.9)

569.5 Abscess of intestine

Excludes: appendiceal abscess (540.1)

569.6 Colostomy and enterostomy complications

569.60 Colostomy and enterostomy complication, unspecified

569.61 Infection of colostomy and enterostomy

Use additional code to specify type of infection, such as:

abscess or cellulits of abdomen (682.2)

septicemia (038.0-038.9)

Use additional code to identify organism (041.00-041.9)

569.62 Mechanical complication of colostomy and enterostomy

Malfunction of colostomy and enterostomy

569.69 Other complication

Fistula

Hernia


Prolapse

569.7 Complications of intestinal pouch

569.71 Pouchitis

Inflammation of internal ileoanal pouch

569.79 Other complications of intestinal pouch

569.8 Other specified disorders of intestine

569.81 Fistula of intestine, excluding rectum and anus

Fistula:


abdominal wall

enterocolic

enteroenteric

ileorectal

Excludes: fistula of intestine to internal organs - see Alphabetic Index

persistent postoperative fistula (998.6)

569.82 Ulceration of intestine

Primary ulcer of intestine

Ulceration of colon

Excludes: that with perforation (569.83)

569.83 Perforation of intestine

569.84 Angiodysplasia of intestine (without mention of hemorrhage)

569.85 Angiodysplasia of intestine with hemorrhage

569.86 Dieulafoy lesion (hemorrhagic) of intestine

569.87 Vomiting of fecal matter

569.89 Other

Enteroptosis

Granuloma of intestine

Prolapse of intestine

Pericolitis

Perisigmoiditis

Visceroptosis

Excludes: gangrene of intestine, mesentery, or omentum (557.0)

hemorrhage of intestine NOS (578.9)

obstruction of intestine (560.0-560.9)

569.9 Unspecified disorder of intestine


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