Common ICD-10 Codes for Gastroenterology
Below is a list of common ICD-10 codes for Gastroenterology. This list of codes offers a great way to become more familiar with your most-used codes, but it's not meant to be comprehensive. If you'd like to build and manage your own custom lists, check out the Code Search!
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Chapter 1 - Certain infectious and parasitic diseases (A00-B99)
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+ Section B15-B19 -Viral hepatitis (B15-B19)
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Chapter 2 - Neoplasms (C00-D49)
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+ Section C15-C26 -Malignant neoplasms of digestive organs (C15-C26)
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+ Section D10-D36 -Benign neoplasms, except benign neuroendocrine tumors (D10-D36)
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10D12.0Benign neoplasm of cecum
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10D12.1Benign neoplasm of appendix
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10D12.2Benign neoplasm of ascending colon
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10D12.3Benign neoplasm of transverse colon
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10D12.4Benign neoplasm of descending colon
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10D12.5Benign neoplasm of sigmoid colon
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10D12.6Benign neoplasm of colon, unspecified
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10D12.7Benign neoplasm of rectosigmoid junction
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10D12.8Benign neoplasm of rectum
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10D12.9Benign neoplasm of anus and anal canal
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10D13.1Benign neoplasm of stomach
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Chapter 3 - Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89)
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+ Section D50-D53 -Nutritional anemias (D50-D53)
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+ Section D60-D64 -Aplastic and other anemias and other bone marrow failure syndromes (D60-D64)
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Chapter 9 - Diseases of the circulatory system (I00-I99)
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+ Section I80-I89 -Diseases of veins, lymphatic vessels and lymph nodes, not elsewhere classified (I80-I89)
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Chapter 11 - Diseases of the digestive system (K00-K95)
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+ Section K90-K95 -Other diseases of the digestive system (K90-K95)
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+ Section K80-K87 -Disorders of gallbladder, biliary tract and pancreas (K80-K87)
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+ Section K40-K46 -Hernia (K40-K46)
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+ Section K50-K52 -Noninfective enteritis and colitis (K50-K52)
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10K50.00Crohn's disease of small intestine without complications
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10K50.011Crohn's disease of small intestine with rectal bleeding
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10K50.012Crohn's disease of small intestine with intestinal obstruction
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10K50.013Crohn's disease of small intestine with fistula
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10K50.014Crohn's disease of small intestine with abscess
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10K50.018Crohn's disease of small intestine with other complication
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10K50.019Crohn's disease of small intestine with unspecified complications
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10K50.10Crohn's disease of large intestine without complications
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10K50.111Crohn's disease of large intestine with rectal bleeding
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10K50.112Crohn's disease of large intestine with intestinal obstruction
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10K50.113Crohn's disease of large intestine with fistula
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10K50.114Crohn's disease of large intestine with abscess
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10K50.118Crohn's disease of large intestine with other complication
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10K50.119Crohn's disease of large intestine with unspecified complications
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10K50.80Crohn's disease of both small and large intestine without complications
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10K50.811Crohn's disease of both small and large intestine with rectal bleeding
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10K50.812Crohn's disease of both small and large intestine with intestinal obstruction
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10K50.813Crohn's disease of both small and large intestine with fistula
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10K50.814Crohn's disease of both small and large intestine with abscess
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10K50.818Crohn's disease of both small and large intestine with other complication
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10K50.819Crohn's disease of both small and large intestine with unspecified complications
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10K50.90Crohn's disease, unspecified, without complications
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10K50.911Crohn's disease, unspecified, with rectal bleeding
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10K50.912Crohn's disease, unspecified, with intestinal obstruction
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10K50.913Crohn's disease, unspecified, with fistula
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10K50.914Crohn's disease, unspecified, with abscess
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10K50.918Crohn's disease, unspecified, with other complication
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10K50.919Crohn's disease, unspecified, with unspecified complications
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10K51.00Ulcerative (chronic) pancolitis without complications
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10K51.011Ulcerative (chronic) pancolitis with rectal bleeding
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10K51.012Ulcerative (chronic) pancolitis with intestinal obstruction
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10K51.013Ulcerative (chronic) pancolitis with fistula
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10K51.014Ulcerative (chronic) pancolitis with abscess
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10K51.018Ulcerative (chronic) pancolitis with other complication
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10K51.019Ulcerative (chronic) pancolitis with unspecified complications
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10K51.20Ulcerative (chronic) proctitis without complications
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10K51.211Ulcerative (chronic) proctitis with rectal bleeding
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10K51.212Ulcerative (chronic) proctitis with intestinal obstruction
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10K51.213Ulcerative (chronic) proctitis with fistula
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10K51.214Ulcerative (chronic) proctitis with abscess
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10K51.218Ulcerative (chronic) proctitis with other complication
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10K51.219Ulcerative (chronic) proctitis with unspecified complications
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10K51.30Ulcerative (chronic) rectosigmoiditis without complications
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10K51.311Ulcerative (chronic) rectosigmoiditis with rectal bleeding
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10K51.312Ulcerative (chronic) rectosigmoiditis with intestinal obstruction
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10K51.313Ulcerative (chronic) rectosigmoiditis with fistula
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10K51.314Ulcerative (chronic) rectosigmoiditis with abscess
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10K51.318Ulcerative (chronic) rectosigmoiditis with other complication
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10K51.319Ulcerative (chronic) rectosigmoiditis with unspecified complications
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10K51.40Inflammatory polyps of colon without complications
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10K51.411Inflammatory polyps of colon with rectal bleeding
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10K51.412Inflammatory polyps of colon with intestinal obstruction
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10K51.413Inflammatory polyps of colon with fistula
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10K51.414Inflammatory polyps of colon with abscess
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10K51.418Inflammatory polyps of colon with other complication
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10K51.419Inflammatory polyps of colon with unspecified complications
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10K51.50Left sided colitis without complications
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10K51.511Left sided colitis with rectal bleeding
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10K51.512Left sided colitis with intestinal obstruction
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10K51.513Left sided colitis with fistula
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10K51.514Left sided colitis with abscess
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10K51.518Left sided colitis with other complication
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10K51.519Left sided colitis with unspecified complications
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10K51.80Other ulcerative colitis without complications
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10K51.811Other ulcerative colitis with rectal bleeding
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10K51.812Other ulcerative colitis with intestinal obstruction
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10K51.813Other ulcerative colitis with fistula
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10K51.814Other ulcerative colitis with abscess
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10K51.818Other ulcerative colitis with other complication
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10K51.819Other ulcerative colitis with unspecified complications
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10K51.90Ulcerative colitis, unspecified, without complications
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10K51.911Ulcerative colitis, unspecified with rectal bleeding
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10K51.912Ulcerative colitis, unspecified with intestinal obstruction
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10K51.913Ulcerative colitis, unspecified with fistula
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10K51.914Ulcerative colitis, unspecified with abscess
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10K51.918Ulcerative colitis, unspecified with other complication
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10K51.919Ulcerative colitis, unspecified with unspecified complications
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10K52.89Other specified noninfective gastroenteritis and colitis
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10K52.9Noninfective gastroenteritis and colitis, unspecified
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+ Section K55-K64 -Other diseases of intestines (K55-K64)
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10K57.30Diverticulosis of large intestine without perforation or abscess without bleeding
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10K58.0Irritable bowel syndrome with diarrhea
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10K58.9Irritable bowel syndrome without diarrhea
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10K59.00Constipation, unspecified
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10K59.01Slow transit constipation
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10K59.02Outlet dysfunction constipation
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10K59.09Other constipation
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10K62.5Hemorrhage of anus and rectum
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10K63.0Abscess of intestine
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10K63.1Perforation of intestine (nontraumatic)
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10K63.2Fistula of intestine
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10K63.3Ulcer of intestine
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10K63.4Enteroptosis
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10K63.5Polyp of colon
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10K63.81Dieulafoy lesion of intestine
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10K63.89Other specified diseases of intestine
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10K64.0First degree hemorrhoids
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10K64.1Second degree hemorrhoids
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10K64.2Third degree hemorrhoids
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10K64.3Fourth degree hemorrhoids
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10K64.8Other hemorrhoids
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10K64.9Unspecified hemorrhoids
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+ Section K20-K31 -Diseases of esophagus, stomach and duodenum (K20-K31)
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10K20.0Eosinophilic esophagitis
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10K20.8Other esophagitis
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10K20.9Esophagitis, unspecified
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10K21.0Gastro-esophageal reflux disease with esophagitis
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10K21.9Gastro-esophageal reflux disease without esophagitis
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10K22.2Esophageal obstruction
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10K22.70Barrett's esophagus without dysplasia
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10K22.710Barrett's esophagus with low grade dysplasia
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10K22.711Barrett's esophagus with high grade dysplasia
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10K22.719Barrett's esophagus with dysplasia, unspecified
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10K25.9Gastric ulcer, unspecified as acute or chronic, without hemorrhage or perforation
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10K29.40Chronic atrophic gastritis without bleeding
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10K30Functional dyspepsia
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10K31.0Acute dilatation of stomach
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10K31.1Adult hypertrophic pyloric stenosis
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10K31.2Hourglass stricture and stenosis of stomach
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10K31.3Pylorospasm, not elsewhere classified
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10K31.4Gastric diverticulum
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10K31.5Obstruction of duodenum
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10K31.6Fistula of stomach and duodenum
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10K31.7Polyp of stomach and duodenum
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10K31.811Angiodysplasia of stomach and duodenum with bleeding
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10K31.819Angiodysplasia of stomach and duodenum without bleeding
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10K31.82Dieulafoy lesion (hemorrhagic) of stomach and duodenum
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10K31.83Achlorhydria
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10K31.84Gastroparesis
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10K31.89Other diseases of stomach and duodenum
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+ Section K70-K77 -Diseases of liver (K70-K77)
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Chapter 18 - Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
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+ Section R90-R94 -Abnormal findings on diagnostic imaging and in function studies, without diagnosis (R90-R94)
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+ Section R00-R09 -Symptoms and signs involving the circulatory and respiratory systems (R00-R09)
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+ Section R70-R79 -Abnormal findings on examination of blood, without diagnosis (R70-R79)
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+ Section R10-R19 -Symptoms and signs involving the digestive system and abdomen (R10-R19)
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10R10.0Acute abdomen
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10R10.10Upper abdominal pain, unspecified
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10R10.11Right upper quadrant pain
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10R10.12Left upper quadrant pain
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10R10.13Epigastric pain
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10R10.2Pelvic and perineal pain
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10R10.30Lower abdominal pain, unspecified
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10R10.31Right lower quadrant pain
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10R10.32Left lower quadrant pain
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10R10.33Periumbilical pain
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10R10.84Generalized abdominal pain
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10R10.9Unspecified abdominal pain
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10R13.0Aphagia
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10R13.10Dysphagia, unspecified
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10R19.5Other fecal abnormalities
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10R19.7Diarrhea, unspecified
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10R19.8Other specified symptoms and signs involving the digestive system and abdomen
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Chapter 19 - Injury, poisoning and certain other consequences of external causes (S00-T88)
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+ Section T15-T19 -Effects of foreign body entering through natural orifice (T15-T19)
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10T18.100AUnspecified foreign body in esophagus causing compression of trachea, initial encounter
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10T18.100DUnspecified foreign body in esophagus causing compression of trachea, subsequent encounter
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10T18.100SUnspecified foreign body in esophagus causing compression of trachea, sequela
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10T18.108AUnspecified foreign body in esophagus causing other injury, initial encounter
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10T18.108DUnspecified foreign body in esophagus causing other injury, subsequent encounter
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10T18.108SUnspecified foreign body in esophagus causing other injury, sequela
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10T18.110AGastric contents in esophagus causing compression of trachea, initial encounter
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10T18.110DGastric contents in esophagus causing compression of trachea, subsequent encounter
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10T18.110SGastric contents in esophagus causing compression of trachea, sequela
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10T18.118AGastric contents in esophagus causing other injury, initial encounter
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10T18.118DGastric contents in esophagus causing other injury, subsequent encounter
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10T18.118SGastric contents in esophagus causing other injury, sequela
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10T18.120AFood in esophagus causing compression of trachea, initial encounter
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10T18.120DFood in esophagus causing compression of trachea, subsequent encounter
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10T18.120SFood in esophagus causing compression of trachea, sequela
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10T18.128AFood in esophagus causing other injury, initial encounter
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10T18.128DFood in esophagus causing other injury, subsequent encounter
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10T18.128SFood in esophagus causing other injury, sequela
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10T18.190AOther foreign object in esophagus causing compression of trachea, initial encounter
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10T18.190DOther foreign object in esophagus causing compression of trachea, subsequent encounter
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10T18.190SOther foreign object in esophagus causing compression of trachea, sequela
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10T18.198AOther foreign object in esophagus causing other injury, initial encounter
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10T18.198DOther foreign object in esophagus causing other injury, subsequent encounter
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10T18.198SOther foreign object in esophagus causing other injury, sequela
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Chapter 21 - Factors influencing health status and contact with health services (Z00-Z99)
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+ Section Z77-Z99 -Persons with potential health hazards related to family and personal history and certain conditions influencing health status (Z77-Z99)
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10Z80.0Family history of malignant neoplasm of digestive organs
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10Z83.71Family history of colonic polyps
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10Z85.030Personal history of malignant carcinoid tumor of large intestine
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10Z85.038Personal history of other malignant neoplasm of large intestine
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10Z86.010Personal history of colonic polyps
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10Z87.19Personal history of other diseases of the digestive system
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+ Section Z00-Z13 -Persons encountering health services for examinations (Z00-Z13)
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