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ICD-10-CM/PCS MS-DRGv33 Definitions Manual Previous Page [Alt-p] Up a level [Alt-u] Next Page [Alt-n]
MDC 6 Assignment of Diagnosis Codes
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K50812Crohn's disease of both small and large intestine with intestinal obstruction
K50813Crohn's disease of both small and large intestine with fistula
K50814Crohn's disease of both small and large intestine with abscess
K50818Crohn's disease of both small and large intestine with other complication
K50819Crohn's disease of both small and large intestine with unspecified complications
K5090Crohn's disease, unspecified, without complications
K50911Crohn's disease, unspecified, with rectal bleeding
K50912Crohn's disease, unspecified, with intestinal obstruction
K50913Crohn's disease, unspecified, with fistula
K50914Crohn's disease, unspecified, with abscess
K50918Crohn's disease, unspecified, with other complication
K50919Crohn's disease, unspecified, with unspecified complications
K5100Ulcerative (chronic) pancolitis without complications
K51011Ulcerative (chronic) pancolitis with rectal bleeding
K51012Ulcerative (chronic) pancolitis with intestinal obstruction
K51013Ulcerative (chronic) pancolitis with fistula
K51014Ulcerative (chronic) pancolitis with abscess
K51018Ulcerative (chronic) pancolitis with other complication
K51019Ulcerative (chronic) pancolitis with unspecified complications
K5120Ulcerative (chronic) proctitis without complications
K51211Ulcerative (chronic) proctitis with rectal bleeding
K51212Ulcerative (chronic) proctitis with intestinal obstruction
K51213Ulcerative (chronic) proctitis with fistula
K51214Ulcerative (chronic) proctitis with abscess
K51218Ulcerative (chronic) proctitis with other complication
K51219Ulcerative (chronic) proctitis with unspecified complications
K5130Ulcerative (chronic) rectosigmoiditis without complications
K51311Ulcerative (chronic) rectosigmoiditis with rectal bleeding
K51312Ulcerative (chronic) rectosigmoiditis with intestinal obstruction
K51313Ulcerative (chronic) rectosigmoiditis with fistula
K51314Ulcerative (chronic) rectosigmoiditis with abscess
K51318Ulcerative (chronic) rectosigmoiditis with other complication
K51319Ulcerative (chronic) rectosigmoiditis with unspecified complications
K5140Inflammatory polyps of colon without complications
K51411Inflammatory polyps of colon with rectal bleeding
K51412Inflammatory polyps of colon with intestinal obstruction
K51413Inflammatory polyps of colon with fistula
K51414Inflammatory polyps of colon with abscess
K51418Inflammatory polyps of colon with other complication
K51419Inflammatory polyps of colon with unspecified complications
K5150Left sided colitis without complications
K51511Left sided colitis with rectal bleeding
K51512Left sided colitis with intestinal obstruction
K51513Left sided colitis with fistula
K51514Left sided colitis with abscess
K51518Left sided colitis with other complication
K51519Left sided colitis with unspecified complications
K5180Other ulcerative colitis without complications
K51811Other ulcerative colitis with rectal bleeding
K51812Other ulcerative colitis with intestinal obstruction
K51813Other ulcerative colitis with fistula
K51814Other ulcerative colitis with abscess
K51818Other ulcerative colitis with other complication
K51819Other ulcerative colitis with unspecified complications
K5190Ulcerative colitis, unspecified, without complications
K51911Ulcerative colitis, unspecified with rectal bleeding
K51912Ulcerative colitis, unspecified with intestinal obstruction
K51913Ulcerative colitis, unspecified with fistula
K51914Ulcerative colitis, unspecified with abscess
K51918Ulcerative colitis, unspecified with other complication
K51919Ulcerative colitis, unspecified with unspecified complications
K520Gastroenteritis and colitis due to radiation
K521Toxic gastroenteritis and colitis
K522Allergic and dietetic gastroenteritis and colitis
K5281Eosinophilic gastritis or gastroenteritis
K5282Eosinophilic colitis
K5289Other specified noninfective gastroenteritis and colitis
K529Noninfective gastroenteritis and colitis, unspecified
K550Acute vascular disorders of intestine
K551Chronic vascular disorders of intestine
K5520Angiodysplasia of colon without hemorrhage
K5521Angiodysplasia of colon with hemorrhage
K558Other vascular disorders of intestine
K559Vascular disorder of intestine, unspecified
K560Paralytic ileus
K561Intussusception
K562Volvulus
K563Gallstone ileus
K5641Fecal impaction
K5649Other impaction of intestine
K565Intestinal adhesions [bands] with obstruction (postprocedural) (postinfection)
K5660Unspecified intestinal obstruction
K5669Other intestinal obstruction
K567Ileus, unspecified
K5700Diverticulitis of small intestine with perforation and abscess without bleeding
K5701Diverticulitis of small intestine with perforation and abscess with bleeding
K5710Diverticulosis of small intestine without perforation or abscess without bleeding
K5711Diverticulosis of small intestine without perforation or abscess with bleeding
K5712Diverticulitis of small intestine without perforation or abscess without bleeding
K5713Diverticulitis of small intestine without perforation or abscess with bleeding
K5720Diverticulitis of large intestine with perforation and abscess without bleeding
K5721Diverticulitis of large intestine with perforation and abscess with bleeding
K5730Diverticulosis of large intestine without perforation or abscess without bleeding
K5731Diverticulosis of large intestine without perforation or abscess with bleeding
K5732Diverticulitis of large intestine without perforation or abscess without bleeding
K5733Diverticulitis of large intestine without perforation or abscess with bleeding
K5740Diverticulitis of both small and large intestine with perforation and abscess without bleeding
K5741Diverticulitis of both small and large intestine with perforation and abscess with bleeding
K5750Diverticulosis of both small and large intestine without perforation or abscess without bleeding
K5751Diverticulosis of both small and large intestine without perforation or abscess with bleeding
K5752Diverticulitis of both small and large intestine without perforation or abscess without bleeding
K5753Diverticulitis of both small and large intestine without perforation or abscess with bleeding
K5780Diverticulitis of intestine, part unspecified, with perforation and abscess without bleeding
K5781Diverticulitis of intestine, part unspecified, with perforation and abscess with bleeding
K5790Diverticulosis of intestine, part unspecified, without perforation or abscess without bleeding
K5791Diverticulosis of intestine, part unspecified, without perforation or abscess with bleeding
K5792Diverticulitis of intestine, part unspecified, without perforation or abscess without bleeding
K5793Diverticulitis of intestine, part unspecified, without perforation or abscess with bleeding
K580Irritable bowel syndrome with diarrhea
K589Irritable bowel syndrome without diarrhea
K5900Constipation, unspecified
K5901Slow transit constipation
K5902Outlet dysfunction constipation
K5909Other constipation
K591Functional diarrhea
K592Neurogenic bowel, not elsewhere classified
K593Megacolon, not elsewhere classified
K594Anal spasm
K598Other specified functional intestinal disorders
K599Functional intestinal disorder, unspecified
K600Acute anal fissure
K601Chronic anal fissure
K602Anal fissure, unspecified
K603Anal fistula
K604Rectal fistula
K605Anorectal fistula
K610Anal abscess
K611Rectal abscess
K612Anorectal abscess
K613Ischiorectal abscess
K614Intrasphincteric abscess
K620Anal polyp
K621Rectal polyp
K622Anal prolapse
K623Rectal prolapse
K624Stenosis of anus and rectum
K625Hemorrhage of anus and rectum
K626Ulcer of anus and rectum
K627Radiation proctitis
K6281Anal sphincter tear (healed) (nontraumatic) (old)
K6282Dysplasia of anus
K6289Other specified diseases of anus and rectum
K629Disease of anus and rectum, unspecified
K630Abscess of intestine
K631Perforation of intestine (nontraumatic)
K632Fistula of intestine
K633Ulcer of intestine
K634Enteroptosis
K635Polyp of colon
K6381Dieulafoy lesion of intestine
K6389Other specified diseases of intestine
K639Disease of intestine, unspecified
K640First degree hemorrhoids
K641Second degree hemorrhoids
K642Third degree hemorrhoids
K643Fourth degree hemorrhoids
K644Residual hemorrhoidal skin tags
K645Perianal venous thrombosis
K648Other hemorrhoids
K649Unspecified hemorrhoids
K650Generalized (acute) peritonitis
K651Peritoneal abscess
K652Spontaneous bacterial peritonitis
K653Choleperitonitis
K654Sclerosing mesenteritis
K658Other peritonitis
K659Peritonitis, unspecified
K660Peritoneal adhesions (postprocedural) (postinfection)
K661Hemoperitoneum
K668Other specified disorders of peritoneum
K669Disorder of peritoneum, unspecified
K67Disorders of peritoneum in infectious diseases classified elsewhere
K6812Psoas muscle abscess
K6819Other retroperitoneal abscess
K689Other disorders of retroperitoneum
K900Celiac disease
K901Tropical sprue
K902Blind loop syndrome, not elsewhere classified
K903Pancreatic steatorrhea
K904Malabsorption due to intolerance, not elsewhere classified
K9081Whipple's disease
K9089Other intestinal malabsorption
K909Intestinal malabsorption, unspecified
K910Vomiting following gastrointestinal surgery
K911Postgastric surgery syndromes
K912Postsurgical malabsorption, not elsewhere classified
K913Postprocedural intestinal obstruction
K9181Other intraoperative complications of digestive system
K9182Postprocedural hepatic failure
K9183Postprocedural hepatorenal syndrome
K91850Pouchitis
K91858Other complications of intestinal pouch
K9186Retained cholelithiasis following cholecystectomy
K9189Other postprocedural complications and disorders of digestive system
K920Hematemesis
K921Melena
K922Gastrointestinal hemorrhage, unspecified
K9281Gastrointestinal mucositis (ulcerative)
K9289Other specified diseases of the digestive system
K929Disease of digestive system, unspecified
K9400Colostomy complication, unspecified
K9401Colostomy hemorrhage
K9402Colostomy infection
K9403Colostomy malfunction
K9409Other complications of colostomy
K9410Enterostomy complication, unspecified
K9411Enterostomy hemorrhage
K9412Enterostomy infection
K9413Enterostomy malfunction
K9419Other complications of enterostomy
K9420Gastrostomy complication, unspecified
K9421Gastrostomy hemorrhage
K9422Gastrostomy infection
K9423Gastrostomy malfunction
K9429Other complications of gastrostomy
K9430Esophagostomy complications, unspecified
K9431Esophagostomy hemorrhage
K9432Esophagostomy infection
K9433Esophagostomy malfunction
K9439Other complications of esophagostomy
K9501Infection due to gastric band procedure
K9509Other complications of gastric band procedure
K9581Infection due to other bariatric procedure
K9589Other complications of other bariatric procedure
N805Endometriosis of intestine
N822Fistula of vagina to small intestine
N823Fistula of vagina to large intestine
N824Other female intestinal-genital tract fistulae
N994Postprocedural pelvic peritoneal adhesions
Q385Congenital malformations of palate, not elsewhere classified
Q390Atresia of esophagus without fistula
Q391Atresia of esophagus with tracheo-esophageal fistula
Q392Congenital tracheo-esophageal fistula without atresia
Q393Congenital stenosis and stricture of esophagus
Q394Esophageal web
Q395Congenital dilatation of esophagus
Q396Congenital diverticulum of esophagus
Q398Other congenital malformations of esophagus
Q399Congenital malformation of esophagus, unspecified
Q400Congenital hypertrophic pyloric stenosis
Q401Congenital hiatus hernia
Q402Other specified congenital malformations of stomach
Q403Congenital malformation of stomach, unspecified
Q408Other specified congenital malformations of upper alimentary tract
Q409Congenital malformation of upper alimentary tract, unspecified
Q410Congenital absence, atresia and stenosis of duodenum
Q411Congenital absence, atresia and stenosis of jejunum
Q412Congenital absence, atresia and stenosis of ileum
Q418Congenital absence, atresia and stenosis of other specified parts of small intestine
Q419Congenital absence, atresia and stenosis of small intestine, part unspecified
Q420Congenital absence, atresia and stenosis of rectum with fistula
Q421Congenital absence, atresia and stenosis of rectum without fistula
Q422Congenital absence, atresia and stenosis of anus with fistula
Q423Congenital absence, atresia and stenosis of anus without fistula
Q428Congenital absence, atresia and stenosis of other parts of large intestine
Q429Congenital absence, atresia and stenosis of large intestine, part unspecified
Q430Meckel's diverticulum (displaced) (hypertrophic)
Q431Hirschsprung's disease
Q432Other congenital functional disorders of colon
Q433Congenital malformations of intestinal fixation
Q434Duplication of intestine
Q435Ectopic anus
Q436Congenital fistula of rectum and anus
Q437Persistent cloaca
Q438Other specified congenital malformations of intestine
Q439Congenital malformation of intestine, unspecified
Q458Other specified congenital malformations of digestive system
Q459Congenital malformation of digestive system, unspecified
Q792Exomphalos
Q793Gastroschisis
Q794Prune belly syndrome
Q7951Congenital hernia of bladder
Q7959Other congenital malformations of abdominal wall
Q893Situs inversus
Q894Conjoined twins
R100Acute abdomen
R1010Upper abdominal pain, unspecified
R1011Right upper quadrant pain
R1012Left upper quadrant pain
R1013Epigastric pain
R102Pelvic and perineal pain
R1030Lower abdominal pain, unspecified
R1031Right lower quadrant pain
R1032Left lower quadrant pain
R1033Periumbilical pain
R10811Right upper quadrant abdominal tenderness
R10812Left upper quadrant abdominal tenderness
R10813Right lower quadrant abdominal tenderness
R10814Left lower quadrant abdominal tenderness
R10815Periumbilic abdominal tenderness
R10816Epigastric abdominal tenderness
R10817Generalized abdominal tenderness
R10819Abdominal tenderness, unspecified site
R10821Right upper quadrant rebound abdominal tenderness
R10822Left upper quadrant rebound abdominal tenderness
R10823Right lower quadrant rebound abdominal tenderness
R10824Left lower quadrant rebound abdominal tenderness
R10825Periumbilic rebound abdominal tenderness
R10826Epigastric rebound abdominal tenderness
R10827Generalized rebound abdominal tenderness
R10829Rebound abdominal tenderness, unspecified site
R1083Colic
R1084Generalized abdominal pain
R109Unspecified abdominal pain
R110Nausea
R1110Vomiting, unspecified
R1111Vomiting without nausea
R1112Projectile vomiting
R1113Vomiting of fecal matter
R1114Bilious vomiting
R112Nausea with vomiting, unspecified
R12Heartburn
R130Aphagia
R1310Dysphagia, unspecified
R1311Dysphagia, oral phase
R1312Dysphagia, oropharyngeal phase
R1313Dysphagia, pharyngeal phase
R1314Dysphagia, pharyngoesophageal phase
R1319Other dysphagia
R140Abdominal distension (gaseous)
R141Gas pain
R142Eructation
R143Flatulence
R150Incomplete defecation
R151Fecal smearing
R152Fecal urgency
R159Full incontinence of feces
R1900Intra-abdominal and pelvic swelling, mass and lump, unspecified site
R1901Right upper quadrant abdominal swelling, mass and lump
R1902Left upper quadrant abdominal swelling, mass and lump
R1903Right lower quadrant abdominal swelling, mass and lump
R1904Left lower quadrant abdominal swelling, mass and lump
R1905Periumbilic swelling, mass or lump
R1906Epigastric swelling, mass or lump
R1907Generalized intra-abdominal and pelvic swelling, mass and lump
R1909Other intra-abdominal and pelvic swelling, mass and lump
R1911Absent bowel sounds
R1912Hyperactive bowel sounds
R1915Other abnormal bowel sounds
R192Visible peristalsis
R1930Abdominal rigidity, unspecified site
R1931Right upper quadrant abdominal rigidity
R1932Left upper quadrant abdominal rigidity
R1933Right lower quadrant abdominal rigidity
R1934Left lower quadrant abdominal rigidity
R1935Periumbilic abdominal rigidity
R1936Epigastric abdominal rigidity
R1937Generalized abdominal rigidity
R194Change in bowel habit
R195Other fecal abnormalities
R197Diarrhea, unspecified
R198Other specified symptoms and signs involving the digestive system and abdomen
R85610Atypical squamous cells of undetermined significance on cytologic smear of anus (ASC-US)
R85611Atypical squamous cells cannot exclude high grade squamous intraepithelial lesion on cytologic smear of anus (ASC-H)
R85612Low grade squamous intraepithelial lesion on cytologic smear of anus (LGSIL)
R85613High grade squamous intraepithelial lesion on cytologic smear of anus (HGSIL)
R85614Cytologic evidence of malignancy on smear of anus
R85615Unsatisfactory cytologic smear of anus
R85616Satisfactory anal smear but lacking transformation zone
R85618Other abnormal cytological findings on specimens from anus
R85619Unspecified abnormal cytological findings in specimens from anus
R8581Anal high risk human papillomavirus (HPV) DNA test positive
R8582Anal low risk human papillomavirus (HPV) DNA test positive
R933Abnormal findings on diagnostic imaging of other parts of digestive tract
R935Abnormal findings on diagnostic imaging of other abdominal regions, including retroperitoneum
S27812AContusion of esophagus (thoracic part), initial encounter
S27813ALaceration of esophagus (thoracic part), initial encounter
S27818AOther injury of esophagus (thoracic part), initial encounter
S27819AUnspecified injury of esophagus (thoracic part), initial encounter
S31600AUnspecified open wound of abdominal wall, right upper quadrant with penetration into peritoneal cavity, initial encounter
S31601AUnspecified open wound of abdominal wall, left upper quadrant with penetration into peritoneal cavity, initial encounter
S31602AUnspecified open wound of abdominal wall, epigastric region with penetration into peritoneal cavity, initial encounter
S31603AUnspecified open wound of abdominal wall, right lower quadrant with penetration into peritoneal cavity, initial encounter
S31604AUnspecified open wound of abdominal wall, left lower quadrant with penetration into peritoneal cavity, initial encounter
S31605AUnspecified open wound of abdominal wall, periumbilic region with penetration into peritoneal cavity, initial encounter
S31609AUnspecified open wound of abdominal wall, unspecified quadrant with penetration into peritoneal cavity, initial encounter
S31610ALaceration without foreign body of abdominal wall, right upper quadrant with penetration into peritoneal cavity, initial encounter
S31611ALaceration without foreign body of abdominal wall, left upper quadrant with penetration into peritoneal cavity, initial encounter
S31612ALaceration without foreign body of abdominal wall, epigastric region with penetration into peritoneal cavity, initial encounter
S31613ALaceration without foreign body of abdominal wall, right lower quadrant with penetration into peritoneal cavity, initial encounter
S31614ALaceration without foreign body of abdominal wall, left lower quadrant with penetration into peritoneal cavity, initial encounter
S31615ALaceration without foreign body of abdominal wall, periumbilic region with penetration into peritoneal cavity, initial encounter
S31619ALaceration without foreign body of abdominal wall, unspecified quadrant with penetration into peritoneal cavity, initial encounter
S31620ALaceration with foreign body of abdominal wall, right upper quadrant with penetration into peritoneal cavity, initial encounter
S31621ALaceration with foreign body of abdominal wall, left upper quadrant with penetration into peritoneal cavity, initial encounter
S31622ALaceration with foreign body of abdominal wall, epigastric region with penetration into peritoneal cavity, initial encounter
S31623ALaceration with foreign body of abdominal wall, right lower quadrant with penetration into peritoneal cavity, initial encounter
S31624ALaceration with foreign body of abdominal wall, left lower quadrant with penetration into peritoneal cavity, initial encounter
S31625ALaceration with foreign body of abdominal wall, periumbilic region with penetration into peritoneal cavity, initial encounter
S31629ALaceration with foreign body of abdominal wall, unspecified quadrant with penetration into peritoneal cavity, initial encounter
S31630APuncture wound without foreign body of abdominal wall, right upper quadrant with penetration into peritoneal cavity, initial encounter
S31631APuncture wound without foreign body of abdominal wall, left upper quadrant with penetration into peritoneal cavity, initial encounter
S31632APuncture wound without foreign body of abdominal wall, epigastric region with penetration into peritoneal cavity, initial encounter
S31633APuncture wound without foreign body of abdominal wall, right lower quadrant with penetration into peritoneal cavity, initial encounter
S31634APuncture wound without foreign body of abdominal wall, left lower quadrant with penetration into peritoneal cavity, initial encounter
S31635APuncture wound without foreign body of abdominal wall, periumbilic region with penetration into peritoneal cavity, initial encounter
S31639APuncture wound without foreign body of abdominal wall, unspecified quadrant with penetration into peritoneal cavity, initial encounter
S31640APuncture wound with foreign body of abdominal wall, right upper quadrant with penetration into peritoneal cavity, initial encounter
S31641APuncture wound with foreign body of abdominal wall, left upper quadrant with penetration into peritoneal cavity, initial encounter
S31642APuncture wound with foreign body of abdominal wall, epigastric region with penetration into peritoneal cavity, initial encounter



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