List of ICD-9 codes 520-579: diseases of the digestive system: Information from Answers.com

1 9. Diseases of the digestive system (520-579)
2 See also

9. Diseases of the digestive system (520-579)

diseases of oral cavity, salivary glands, and jaws (520-529)

(520) Disorders of tooth development and eruption
(521) Diseases of hard tissues of teeth
- (521.0) Dental caries
(522) Diseases of pulp and periapical tissues
(523) Gingival and periodontal diseases
- (523.1) Gingivitis, chronic
(524) Dentofacial anomalies, including malocclusion
(525) Other diseases and conditions of the teeth and supporting structures
(526) Diseases of the jaws
- (526.81) Torus Mandibularis, Torus palatinus
(527) Diseases of the salivary glands
- (527) Parotitis
(528) Diseases of the oral soft tissues, excluding lesions specific for gingiva and tongue
- (528.0) Stomatitis
- (528.7) Aphthous ulcer
- (528.6) Leukoplakia, oral mucosa
- (528.7) Erythroplakia
(529) Diseases and other conditions of the tongue
- (529.0) Glossitis

diseases of esophagus, stomach, and duodenum (530-537)

(530) Diseases of esophagus
- (530.0) Achalasia/cardiospasm
- (530.1) Esophagitis, unspec.
- (530.3) Esophageal stricture/stenosis
- (530.8) Other specified disorders of esophagus
  - (530.81) Gastroesophageal reflux, no esophagitis
  - (530.85) Barrett's esophagitis
(531) Gastric ulcer
(532) Duodenal ulcer
(533) Peptic ulcer, site unspecified
(534) Gastrojejunal ulcer
(535) Gastritis and duodenitis
- (535.0) Acute gastritis
- (535.6) Duodenitis
(536) Disorders of function of stomach
- (536.3) Gastroparesis
- (536.8) Dyspepsia
(537) Other disorders of stomach and duodenum

appendicitis (540-543)

(540) Acute appendicitis
- (540.0) Appendicitis, acute w/ gen. peritonitis
- (540.9) Appendicitis, acute w/o peritonitis
(541) Appendicitis, unqualified
(542) Other appendicitis
(543) Other diseases of appendix

hernia of abdominal cavity (550-553)

(550) Inguinal hernia
- (550.9) Hernia, inguinal, NOS, unilateral
(551) Other hernia of abdominal cavity, with gangrene
(552) Other hernia of abdominal cavity with obstruction, without mention
(553) Other hernia of abdominal cavity without mention of obstruction
- (553.0) Hernia, femoral, unilateral
- (553.1) Hernia, umbilical
- (553.2) Hernia, ventral, unspec.
  - (553.21) Hernia, ventral, incisional
- (553.3) Hernia, hiatal, noncongenital
- (553.9) Hernias, other, NOS

noninfectious enteritis and colitis (555-558)

(555) Regional enteritis
- (555.0) Crohn's, small intestine
- (555.1) Crohn's, large intestine
- (555.9) Crohn's disease, NOS
(556) Idiopathic proctocolitis
- (556.9) Ulcerative colitis, unspec.
(557) Vascular insufficiency of intestine
- (557.0) Vascular insufficiency, acute, intestine
- (557.9) Ischemic bowel disease, unspec.
(558) Other noninfectious gastroenteritis and colitis
- (558.9) Gastroenteritis, noninfectious, unspec.

other diseases of intestines and peritoneum (560-569)

(560) Intestinal obstruction without mention of hernia
- (560.1) Ileus
- (560.3) Impaction of intestine
- (560.9) Intestinal obstruction, unspec.
(562) Diverticula of intestine
- (562.1) Diverticulosis of colon
  - (562.11) Diverticulitis of colon, NOS
  - (562.12) Diverticulosis, colon w/ hemorrhage
(564) Functional digestive disorders, not elsewhere classified
- (564.0) Constipation, unspec.
- (564.1) Irritable bowel syndrome
- (564.2) Post-gastric-surgery syndromes
- (564.4) Postoperative functional disorders
- (564.6) Anal spasm
(565) Anal fissure and fistula
- (565.0) Anal fissure, nontraumatic
(566) Abscess of anal and rectal regions
- (566.0) Abscess, perianal
(567) Peritonitis
(568) Other disorders of peritoneum
- (568.0) Peritoneal adhesions
- (568.8) Other specified disorders of peritoneum
  - Pneumoperitoneum

(569) Other disorders of intestine
- (569.3) Bleeding, rectal
  - (569.61) Infection, colostomy/enterostomy
  - (569.62) Mechanical complication of ostomy
  - (569.85) Angiodysplasia, intestine w/ hemorrhage

other diseases of digestive system (570-579)

liver

(570) Acute and subacute necrosis of liver
- (570.0) Hepatic failure, acute

(571) Chronic liver disease and cirrhosis
- (571.0) Fatty liver, alcoholic
- (571.2) Cirrhosis, liver, alcoholic
- (571.4) Hepatitis, chronic, unspec.
- (571.5) Cirrhosis, NOS
- (571.6) Primary biliary cirrhosis
- (571.9) Liver disease, chronic, unspec.

(572) Liver abscess and sequelae of chronic liver disease
- (572.2) Coma, hepatic
- (572.4) Hepatorenal syndrome

(573) Other disorders of liver
- (573.3) Hepatitis, toxic

gallbladder

(574) Cholelithiasis
- (574.3) Choledocholithiasis

(575) Other disorders of gallbladder
- (575.0) Cholecystitis, acute
- (575.9) Gallbladder disease, unspec.

other biliary tract

(576) Other disorders of biliary tract
- (576.0) Postcholecystectomy syndrome
- (576.1) Cholangitis
- (576.2) Obstruction of bile duct
  - Mirizzi's syndrome
- (576.3) Perforation of bile duct
- (576.4) Fistula of bile duct
- (576.5) Spasm of sphincter of oddi

other

(577) Diseases of pancreas
- (577.0) Pancreatitis, acute
- (577.1) Pancreatitis, chronic
- (577.2) Pancreatic cyst, pseudocyst

(578) Gastrointestinal hemorrhage
- (578.0) Hematemesis
- (578.1) Blood in stool, melena

(579) Intestinal malabsorption
- (579.0) Coeliac disease
- (579.1) Tropical sprue
- (579.2) Blind loop syndrome
- (579.3) Other and unspecified postsurgical nonabsorption
  - Short bowel syndrome
- (579.4) Pancreatic steatorrhea
- (579.8) Other specified intestinal malabsorption
  - Protein losing enteropathy
- (579.9) Unspecified intestinal malabsorption

Quantity	Anodontia/Hypodontia · Hyperdontia

Abnormalities of size and form	Concrescence · Fusion · Gemination · Dens evaginatus/Talon cusp · Dens invaginatus · Enamel pearl · Macrodontia · Microdontia · Taurodontism

Disturbances in formation	Dilaceration · Regional odontodysplasia · Turner's hypoplasia

Other hereditary disturbances in structure	Amelogenesis imperfecta · Dentinogenesis imperfecta · Dentin dysplasia

Acquired

Dental caries · Attrition · Abrasion · Erosion

tooth resorption (External resorption, Internal resorption, Root resorption)

Pulpitis · Periapical abscess · Fluorosis · Toothache

bone cyst (Dentigerous cyst, Calcifying odontogenic cyst, Glandular odontogenic cyst)

Alignment

Malocclusion

tooth navs: anat/dev, disease/neoplasia, proc

Oral pathology: Stomatognathic disease (K06-K14, 526-529)

Vestibule of mouth


Lip	Cheilitis (Angular, Actinic) · Herpes labialis

Oral cavity proper

Hard, soft, and periapical tissues	gingival disease (Gingivitis, Pericoronitis, Necrotizing ulcerative gingivitis, Noma) · Periodontitis · Ulcer

Tongue	Glossitis (Geographic tongue) · Fissured tongue · Glossodynia · Black hairy tongue · Strawberry tongue

Dentofacial anomalies	Gnathitis · jaw abnormality (Micrognathism, Prognathism, Retrognathism) Temporomandibular joint disorder

Maxillomandibular anomalies	Cherubism · Congenital epulis · Keratocystic odontogenic tumour · Torus mandibularis · Torus palatinus

Salivary glands

Sialadenitis (Parotitis) · Benign lymphoepithelial lesion · Necrotizing sialometaplasia · Ranula · Sialolithiasis
saliva: Drooling/sialorrhea · Xerostomia

General

Stomatitis (Aphthous ulcer, Herpetic stomatitis)

Velopharyngeal inadequacy

oral mucosa: Erythroplakia · Leukoplakia (Hairy leukoplakia) · White sponge nevus

mouth navs: anat/dev, noncongen/congen face/congen GI/neoplasia, symptoms, proc

Digestive system · Digestive disease · Gastroenterology (primarily K20–K93, 530–579)

Upper GI tract

Lower GI tract:
Intestinal/
enteropathy

Small intestine/ (duodenum/jejunum/ileum)	Enteritis (Duodenitis, Jejunitis, Ileitis) — Peptic (duodenal) ulcer (Curling's ulcer) — Malabsorption: Coeliac · Tropical sprue · Blind loop syndrome · Whipple's · Short bowel syndrome · Steatorrhea · Milroy disease

Large intestine (appendix/colon)	Appendicitis · Colitis (Pseudomembranous, Ulcerative, Ischemic, Microscopic, Collagenous, Lymphocytic) · Functional colonic disease (IBS, Intestinal pseudoobstruction/Ogilvie syndrome) — Megacolon/Toxic megacolon · Diverticulitis/Diverticulosis

Large and/or small	Enterocolitis (Necrotizing) · IBD (Crohn's disease) — vascular: Abdominal angina · Mesenteric ischemia · Angiodysplasia — Bowel obstruction: Ileus · Intussusception · Volvulus · Fecal impaction — Constipation · Diarrhea (Infectious)

Rectum	Proctitis (Radiation proctitis) · Proctalgia fugax · Rectal prolapse

Anus	Anal fissure/Anal fistula · Anal abscess · Anal dysplasia · Pruritus ani

Accessory

Liver	Hepatitis (Viral hepatitis, Autoimmune hepatitis, Alcoholic hepatitis) · Cirrhosis (PBC) · Fatty liver (NASH) · vascular (Hepatic veno-occlusive disease, Portal hypertension, Nutmeg liver) · Alcoholic liver disease · Liver failure (Hepatic encephalopathy, Acute liver failure) · Liver abscess (Pyogenic, Amoebic) · Hepatorenal syndrome · Peliosis hepatis

Gallbladder	Cholecystitis · Gallstones/Cholecystolithiasis · Cholesterolosis · Rokitansky-Aschoff sinuses · Postcholecystectomy syndrome · Porcelain gallbladder

Bile duct/ other biliary tree	Cholangitis (PSC, Secondary sclerosing cholangitis, Ascending) · Cholestasis/Mirizzi's syndrome · Biliary fistula · Haemobilia · Gallstones/Cholelithiasis common bile duct (Choledocholithiasis, Biliary dyskinesia) · Sphincter of Oddi dysfunction

Pancreatic	Pancreatitis (Acute, Chronic, Hereditary) · Pancreatic pseudocyst · Exocrine pancreatic insufficiency · Pancreatic fistula

Hernia

Diaphragmatic: Congenital diaphragmatic · Hiatus — Abdominal hernia: Inguinal (Indirect, Direct) · Umbilical · Incisional · Femoral — Obturator hernia · Spigelian hernia · Internal hernia

Peritoneal

Peritonitis (Spontaneous bacterial peritonitis) · Hemoperitoneum · Pneumoperitoneum

GI bleeding/BIS

Upper (Hematemesis, Melena) · Lower (Hematochezia)

digestive system navs: anat of tract,glands,perit/layers/physio/dev, noncongen/congen/congen of d+w/neoplasia, symptoms+signs/eponymous, proc

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List of ICD-9 codes 520-579: diseases of the digestive system

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