DRG

A05.9   Bacterial foodborne intoxication, unspecified
A08.0   Rotaviral enteritis
A08.11   Acute gastroenteropathy due to Norwalk agent
A08.19   Acute gastroenteropathy due to other small round viruses
A08.2   Adenoviral enteritis
A08.31   Calicivirus enteritis
A08.32   Astrovirus enteritis
A08.39   Other viral enteritis
A08.4   Viral intestinal infection, unspecified
A08.8   Other specified intestinal infections
B37.82   Candidal enteritis
B68.0   Taenia solium taeniasis
B68.1   Taenia saginata taeniasis
B68.9   Taeniasis, unspecified
B70.0   Diphyllobothriasis
B77.0   Ascariasis with intestinal complications
B77.81   Ascariasis pneumonia
B77.89   Ascariasis with other complications
B77.9   Ascariasis, unspecified
B78.0   Intestinal strongyloidiasis
B78.7   Disseminated strongyloidiasis
B78.9   Strongyloidiasis, unspecified
B81.0   Anisakiasis
B81.1   Intestinal capillariasis
B81.2   Trichostrongyliasis
B81.3   Intestinal angiostrongyliasis
B81.8   Other specified intestinal helminthiases
B82.0   Intestinal helminthiasis, unspecified
B82.9   Intestinal parasitism, unspecified
D18.03   Hemangioma of intra-abdominal structures
E73.0   Congenital lactase deficiency
E73.1   Secondary lactase deficiency
E73.8   Other lactose intolerance
E73.9   Lactose intolerance, unspecified
E74.10   Disorder of fructose metabolism, unspecified
E74.11   Essential fructosuria
E74.12   Hereditary fructose intolerance
E74.19   Other disorders of fructose metabolism
E74.31   Sucrase-isomaltase deficiency
E74.39   Other disorders of intestinal carbohydrate absorption
I77.4   Celiac artery compression syndrome
K20.0   Eosinophilic esophagitis
K20.8   Other esophagitis
K20.9   Esophagitis, unspecified
K21.0   Gastro-esophageal reflux disease with esophagitis
K21.9   Gastro-esophageal reflux disease without esophagitis
K22.0   Achalasia of cardia
K22.2   Esophageal obstruction
K22.4   Dyskinesia of esophagus
K22.5   Diverticulum of esophagus, acquired
K22.8   Other specified diseases of esophagus
K22.9   Disease of esophagus, unspecified
K29.00   Acute gastritis without bleeding
K29.20   Alcoholic gastritis without bleeding
K29.30   Chronic superficial gastritis without bleeding
K29.40   Chronic atrophic gastritis without bleeding
K29.50   Unspecified chronic gastritis without bleeding
K29.60   Other gastritis without bleeding
K29.70   Gastritis, unspecified, without bleeding
K29.80   Duodenitis without bleeding
K29.90   Gastroduodenitis, unspecified, without bleeding
K31.0   Acute dilatation of stomach
K31.2   Hourglass stricture and stenosis of stomach
K31.3   Pylorospasm, not elsewhere classified
K31.4   Gastric diverticulum
K31.6   Fistula of stomach and duodenum
K31.819   Angiodysplasia of stomach and duodenum without bleeding
K31.83   Achlorhydria
K31.84   Gastroparesis
K31.89   Other diseases of stomach and duodenum
K31.9   Disease of stomach and duodenum, unspecified
K44.0   Diaphragmatic hernia with obstruction, without gangrene
K44.9   Diaphragmatic hernia without obstruction or gangrene
K52.21   Food protein-induced enterocolitis syndrome
K52.22   Food protein-induced enteropathy
K52.29   Other allergic and dietetic gastroenteritis and colitis
K52.3   Indeterminate colitis
K52.81   Eosinophilic gastritis or gastroenteritis
K52.82   Eosinophilic colitis
K52.831   Collagenous colitis
K52.832   Lymphocytic colitis
K52.838   Other microscopic colitis
K52.839   Microscopic colitis, unspecified
K52.89   Other specified noninfective gastroenteritis and colitis
K52.9   Noninfective gastroenteritis and colitis, unspecified
K57.00   Diverticulitis of small intestine with perforation and abscess without bleeding
K57.10   Diverticulosis of small intestine without perforation or abscess without bleeding
K57.12   Diverticulitis of small intestine without perforation or abscess without bleeding
K57.20   Diverticulitis of large intestine with perforation and abscess without bleeding
K57.30   Diverticulosis of large intestine without perforation or abscess without bleeding
K57.32   Diverticulitis of large intestine without perforation or abscess without bleeding
K57.40   Diverticulitis of both small and large intestine with perforation and abscess without bleeding
K57.50   Diverticulosis of both small and large intestine without perforation or abscess without bleeding
K57.52   Diverticulitis of both small and large intestine without perforation or abscess without bleeding
K57.80   Diverticulitis of intestine, part unspecified, with perforation and abscess without bleeding
K57.90   Diverticulosis of intestine, part unspecified, without perforation or abscess without bleeding
K57.92   Diverticulitis of intestine, part unspecified, without perforation or abscess without bleeding
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
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
K59.4   Anal spasm
K59.8   Other specified functional intestinal disorders
K59.9   Functional intestinal disorder, unspecified
K90.0   Celiac disease
K90.1   Tropical sprue
K90.2   Blind loop syndrome, not elsewhere classified
K90.3   Pancreatic steatorrhea
K90.41   Non-celiac gluten sensitivity
K90.49   Malabsorption due to intolerance, not elsewhere classified
K90.89   Other intestinal malabsorption
K90.9   Intestinal malabsorption, unspecified
K91.0   Vomiting following gastrointestinal surgery
K91.1   Postgastric surgery syndromes
K91.2   Postsurgical malabsorption, not elsewhere classified
K92.81   Gastrointestinal mucositis (ulcerative)
N80.5   Endometriosis of intestine
R10.0   Acute abdomen
R10.10   Upper abdominal pain, unspecified
R10.11   Right upper quadrant pain
R10.12   Left upper quadrant pain
R10.13   Epigastric pain
R10.2   Pelvic and perineal pain
R10.30   Lower abdominal pain, unspecified
R10.31   Right lower quadrant pain
R10.32   Left lower quadrant pain
R10.33   Periumbilical pain
R10.811   Right upper quadrant abdominal tenderness
R10.812   Left upper quadrant abdominal tenderness
R10.813   Right lower quadrant abdominal tenderness
R10.814   Left lower quadrant abdominal tenderness
R10.815   Periumbilic abdominal tenderness
R10.816   Epigastric abdominal tenderness
R10.817   Generalized abdominal tenderness
R10.819   Abdominal tenderness, unspecified site
R10.821   Right upper quadrant rebound abdominal tenderness
R10.822   Left upper quadrant rebound abdominal tenderness
R10.823   Right lower quadrant rebound abdominal tenderness
R10.824   Left lower quadrant rebound abdominal tenderness
R10.825   Periumbilic rebound abdominal tenderness
R10.826   Epigastric rebound abdominal tenderness
R10.827   Generalized rebound abdominal tenderness
R10.829   Rebound abdominal tenderness, unspecified site
R10.83   Colic
R10.84   Generalized abdominal pain
R10.9   Unspecified abdominal pain
R11.0   Nausea
R11.10   Vomiting, unspecified
R11.11   Vomiting without nausea
R11.12   Projectile vomiting
R11.14   Bilious vomiting
R11.2   Nausea with vomiting, unspecified
R13.0   Aphagia
R13.10   Dysphagia, unspecified
R13.11   Dysphagia, oral phase
R13.12   Dysphagia, oropharyngeal phase
R13.13   Dysphagia, pharyngeal phase
R13.14   Dysphagia, pharyngoesophageal phase
R13.19   Other dysphagia
R14.0   Abdominal distension (gaseous)
R14.1   Gas pain
R14.2   Eructation
R14.3   Flatulence
R15.0   Incomplete defecation
R15.1   Fecal smearing
R15.2   Fecal urgency
R15.9   Full incontinence of feces
R19.00   Intra-abdominal and pelvic swelling, mass and lump, unspecified site
R19.01   Right upper quadrant abdominal swelling, mass and lump
R19.02   Left upper quadrant abdominal swelling, mass and lump
R19.03   Right lower quadrant abdominal swelling, mass and lump
R19.04   Left lower quadrant abdominal swelling, mass and lump
R19.05   Periumbilic swelling, mass or lump
R19.06   Epigastric swelling, mass or lump
R19.07   Generalized intra-abdominal and pelvic swelling, mass and lump
R19.09   Other intra-abdominal and pelvic swelling, mass and lump
R19.11   Absent bowel sounds
R19.12   Hyperactive bowel sounds
R19.15   Other abnormal bowel sounds
R19.2   Visible peristalsis
R19.4   Change in bowel habit
R19.5   Other fecal abnormalities
R19.7   Diarrhea, unspecified
R19.8   Other specified symptoms and signs involving the digestive system and abdomen
R93.3   Abnormal findings on diagnostic imaging of other parts of digestive tract
R93.5   Abnormal findings on diagnostic imaging of other abdominal regions, including retroperitoneum