ICD-10-CM includes changes in terminology use:
The codes in these crosswalks were selected based on the most commonly used ICD-9 codes according to historical MedStar Health coding data and from professional coding associations, and are ordered by frequency of use.
Not all the codes you need are contained in this list. For a comprehensive list of ICD-10 codes, use Diagnosis Assistant or the IMO Anywhere tool.
| Code | Description (ICD-9 codes are in blue) |
|---|---|
| V76.51 | Special screening for malignant neoplasms, colon |
| Z12.11 | Encounter for screening for malignant neoplasm of colon |
| 211.3 | Benign neoplasm colon |
| D12.6 | Benign neoplasm of colon, unspecified |
| D12.0 | Benign neoplasm of cecum |
|
D12.1 |
Benign neoplasm of appendix |
|
D12.2 |
Benign neoplasm of ascending colon |
|
D12.3 |
Benign neoplasm of transverse colon |
|
D12.4 |
Benign neoplasm of descending colon |
|
D12.5 |
Benign neoplasm of sigmoid colon |
| 789.00 | Abdominal pain, unspecified site |
| R10.9 | Unspecified abdominal pain |
| 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 |
|
R10.84 |
Generalized abdominal pain |
| V16.0 | Family history of malignant neoplasm of gastrointestinal tract |
| Z80.0 | Family history of primary malignant neoplasm of digestive organs |
| 787.20 | Dysphagia, unspecified |
| R13.0 | Aphagia |
| R13.10 | Dysphagia |
|
|
** Code first, if applicable, dysphagia following cerebrovascular
disease (169. with final characters ·91) |
| V12.72 | Personal history of colonic polyps |
| Z86.010 | Personal history of colonic polyps |
| 562.10 | Diverticulosis of colon (without hemorrhage) |
| K57.30 | Diverticulosis of large intestine without perforation or abscess without bleeding |
| 530.81 | Esophageal reflux |
| K21.9 | Gastro-esophageal reflux without esophagitis |
| K21.0 | Gastro-esophageal reflux with esophagitis |
| 787.91 | Diarrhea |
| R19.7 | Diarrhea, unspecified |
| 530.85 | Barrett's esophagus |
| K22.70 | Barrett's esophagus without dysplasia |
| K22.710 | Barrett's esophagus with low grade dysplasia |
|
K22.711 |
Barrett's esophagus with high grade dysplasia |
|
K22.719 |
Barrett's esophagus with dysplasia, unspecified |
| 578.9 | Hemorrhage of gastrointestinal tract, unspecified |
| K92.2 | Gastrointestinal hemorrhage, unspecified |
| 793.4 | Nonspecific (abnormal) findings on radiologic and other examination of gastrointestinal tract |
| R93.3 | Abnormal findings on diagnostic image of other parts of digestive tract |
| 211.4 | Benign neoplasm of rectum and anal canal |
| D12.7 | Benign neoplasm of rectosigmoid junction |
| D12.8 | Benign neoplasm of rectum |
|
D12.9 |
Benign neoplasm of anus and anal canal |
| 574.50 | Calculus of bile duct without cholecystitis without obstruction |
| K80.50 | Calculus of bile duct without cholangitis or cholecystitis without obstruction |
| 535.10 | Atrophic gastritis (without hemorrhage) |
| K29.40 | Chronic atrophic gastritis without bleeding |
| 555.9 | Regional enteritis of unspecified site |
| K50.90 | Crohn's disease, unspecified, without complications |
|
| ** Use additional code to identify manifestations, such as: pyoderma gangrenosum (L88) |
|
K50.00 |
Crohn's disease of small intestine without complications |
|
K50.011 |
Crohn's disease of small intestine with rectal bleeding |
|
K50.012 |
Crohn's disease of small intestine with intestinal obstruction |
|
K50.013 |
Crohn's disease of small intestine with fistula |
|
K50.014 |
Crohn's disease of small intestine with abscess |
|
K50.018 |
Crohn's disease of small intestine with other complication |
|
K50.019 |
Crohn's disease of small intestine with unspecified
complications |
|
K50.10 |
Crohn's disease of large intestine without complications |
|
K50.111 |
Crohn's disease of large intestine with rectal bleeding |
|
K50.112 |
Crohn's disease of large intestine with intestinal obsrruaion |
|
K50.113 |
Crohn's disease of large intestine with fistula |
|
K50.114 |
Crohn's disease of large intestine with abscess |
|
K50.118 |
Crohn's disease of large intestine with other complication |
|
K50.119 |
Crohn's disease of large intestine with unspecified
complications |
|
K50.80 |
Crohn's disease of both small and large intestine with·
out complications |
|
K50.811 |
Crohn's disease of both small and large intestine with
rectal bleeding |
|
K50.812 |
Crohn's disease of both small and large intestine with
intestinal obstruction |
|
K50.813 |
Crohn's disease of both small and large intestine with
fistula |
|
K50.814 |
Crohn's disease of both small and large intestine with
abscess |
|
K50.818 |
Crohn's disease of both small and large intestine with
other complication |
|
K50.819 |
Crohn's disease of both small and large intestine with
unspecified complications |
|
KS0.911 |
Crohn's disease, unspecified, with rectal bleeding |
|
KS0.912 |
Crohn's disease, unspecified, with intestinal obstruction |
|
KS0.913 |
Crohn's disease, unspecified, with fistula |
|
KS0.914 |
Crohn's disease, unspecified, with abscess |
|
K50.918 |
Crohn's disease, unspecified, with other complication |
|
K50.919 |
Crohn's disease, unspedfied, with unspecified complications |
| 285.9 | Anemia unspecified |
| D64.9 | Anemia, unspecified |
| D64.81 | Anemia due to antineoplastic chemotherapy |
|
D64.89 |
Other specified anemias |
| 790.4 | Nonsepecific elevation of levels of transaminase or lactic acid dehydrogenase (LDHJ) |
| R74.0 | Nonsepecific elevation of levels of transaminase and lactic acid dehydrogenase (LDHJ) |
| 456.1 | Esophageal varices without bleeding |
| I85.00 | Esophageal varices without bleeding |
| 564.00 | Constipation, unspecified |
| K59.00 | Constipation, unspecified |
| K59.01 | Slow transit constipation |
|
K59.02 |
Outlet dysfunction constipation |
|
K59.09 |
Other constipation |
| 530.3 | Stricture and stenosis of esophagus |
| K22.2 | Esophageal obstruction |
| 553.3 | Diaphragmatic hernia without obstruction or gangrene |
| K44.9 | Diaphragmatic hernia without obstruction or gangrene |
| 787.99 | Other symptoms involving digestive system |
| R19.8 | Other specified symptoms and signs involving the digestive system and abdomen |
| 571.5 | Cirrhosis of liver without alcohol |
| K74.60 | Unspecified cirrhosis of liver |
| K74.69 | Other cirrhosis of liver |
|
|
** Code also, if applicable, viral hepatitis (acute) (chronic) (B15-B19) |
| 558.9 | Other and unspecified noninfectious gastroenteritis and colitis |
| K52.89 | Other specified noninfective gastroenteritis and colitis |
| K52.9 | Noninfective gastroenteritis and colitis, unspecified |
| 455.0 | Internal hemorrhoids without complication |
| K64.0 | Hemorrhoids, 1st degree (grade/stage I) |
| K64.1 | Hemorrhoids 2nd degree (grade/stage II) |
|
K64.2 |
Hemorrhoids 3rd degree (grade/stage Ill) |
|
K64.3 |
Hemorrhoids 4th degree (grade/stage IV) |
|
K64.8 |
Hemorrhoids, other (without mention of degree) |
|
K64.9 |
Hemorrhoids, unspecified (without mention of degree) |
| 569.3 | Hemorrhage of rectum and anus |
| K62.5 | Hemorrhage of anus and rectum |
| 556.8 | Other ulcerative colitis |
| K51.80 | Other ulcerative colitis without complications |
| K51.811 | Other ulcerative colitis with rectal bleeding |
|
K51.812 |
Other ulcerative colitis with intestinal obstruction |
|
K51.813 |
Other ulcerative colitis with fistula |
|
K51.814 |
Other ulcerative colitis with abscess |
|
K51.818 |
Other ulcerative colitis with other complication |
|
K51.819 |
Other ulcerative colitis with unspecified complications |
|
|
** Use additional code to identify manifestations, such as:
pyoderma gangrenosum (L88) |
| 536.8 | Dyspepsia and other specified disorders of function of stomach |
| R10.13 | Epigastric pain (dyspepsia) |
| K30 | Functional dyspepsia |
|
K31.0 |
Acute dilatation of stomach |
|
K31.1 |
Adult hypertrophic pyloric stenosis |
|
K31.2 |
Hourglass stricture and stenosis of stomach |
|
K31.3 |
Pylorospasm, not elsewhere classified |
|
K31.4 |
Gastric diverticulum |
|
K31.5 |
Obstruction of duodenum |
|
K31.6 |
Fistula of stomach and duodenum |
|
K31.7 |
Polyp of stomach and duodenum |
|
K31.811 |
Angiodysplasia of stomach and duodenum with bleeding |
|
K31.819 |
Angiodysplasia of stomach and duodenum without bleeding |
|
K31.82 |
Dieulafoy lesion (hemorrhagic) of stomach and duodenum |
|
K31.83 |
Achlorhydria |
|
K31.84 |
Gastroparesis |
|
K31.89 |
Other disorders of stomach and duodenum |
| 280.9 | Iron deficiency anemia unspecified |
| D50.9 | Iron deficiency anemia, unspecified |
| D50.0 | Iron deficiency anemia secondary to blood loss (chronic) |
|
D50.1 |
Sideropenic dysphagia |
|
D50.8 |
Other iron deficiency anemias |
| 530.10 | Esophagitis unspecified |
| K20.9 | Esophagitis, unspecified |
| K20.0 | Eosinophilic esophagitis |
| K20.8 |
Eosinophilic esophagitis |
|
|
** Use additional code to identify: Alcohol abuse and
dependence (F1O-) |
| 789.06 | Abdominal pain, epigastric |
| R10.13 | Epigastric pain |
| 070.54 | Chronic hepatitis C without hepatic coma |
| B18.2 | Chronic viral hepatitis C |
| 211.1 | Benign neoplasm of stomach |
| D13.1 | Benign neoplasm of stomach |
| 556.9 | Ulcerative colitis unspecified |
| K51.90 | Ulcerative colitis, unspecified, without complications |
| K51.00 | Ulcerative (chronic) pancolitis without complications |
|
K51.011 |
Ulcerative (chronic) pancolitis with rectal bleeding |
|
K51.012 |
Ulcerative (chronic) pancolitis with intestinal obstruction |
|
K51.013 |
Ulcerative (chronic) pancolitis with fistula |
|
K51.014 |
Ulcerative (chronic) pancolitis with abscess |
|
K51.018 |
Ulcerative (chronic) pancolitis with other complication |
|
K51.019 |
Ulcerative (chronic) pancolitis with unspecified complications |
|
K51.20 |
Ulcerative (chronic) proctitis without complications |
|
K51.211 |
Ulcerative (chronic) proctitis with rectal bleeding |
|
K51.212 |
Ulcerative (chronic) proctitis with intestinal obstruction |
|
K51.213 |
Ulcerative (chronic) proctitis with fistula |
|
K51.214 |
Ulcerative (chronic) proctitis with abscess |
|
K51.218 |
Ulcerative (chronic) proctitis with other complication |
|
K51.219 |
Ulcerative (chronic) proaitis with unspecified complications |
|
K51.30 |
Ulcerative (chronic) rectosigmoiditis without complications |
|
K51.311 |
Ulcerative (chronic) rectosigmoiditis with rectal bleeding |
|
K51.312 |
Ulcerative (chronic) rectosigmoiditis with intestinal
obstruction |
|
K51.313 |
Ulcerative (chronic) rectosigmoiditis with fistula |
|
K51.314 |
Ulcerative (chronic) rectosigmoiditis with abscess |
|
K51.318 |
Ulcerative (chronic) rectosigmoiditis with other complication |
|
K51.319 |
Ulcerative (chronic) rectosigmoiditis with unspecified
complications |
|
K51.40 |
Inflammatory polyps of colon without complications |
|
K51.411 |
Inflammatory polyps of colon with rectal bleeding |
|
K51.412 |
Inflammatory polyps of colon with intestinal obstruction |
|
K51.413 |
Inflammatory polyps of colon with fistula |
|
K51.414 |
Inflammatory polyps of colon with abscess |
|
K51.418 |
Inflammatory polyps of colon with other complication |
|
K51.419 |
Inflammatory polyps of colon with unspecified complications |
|
K51.50 |
Left sided colitis without complications |
|
K51.511 |
Left sided colitis with rectal bleeding |
|
K51.512 |
Left sided colitis with intestinal obstruction |
|
K51.513 |
Left sided colitis with fistula |
|
K51.514 |
Left sided colitis with abscess |
|
K51.518 |
Left sided colitis with other complication |
|
K51.519 |
Left sided colitis with unspecified complications |
|
K51.80 |
Other ulcerative colitis without complications |
|
K51.811 |
Other ulcerative colitis with rectal bleeding |
|
K51.812 |
Other ulcerative colitis with intestinal obstruction |
|
K51.813 |
Other ulcerative colitis with fistula |
|
K51.814 |
Other ulcerative colitis with abscess |
|
K51.818 |
Other ulcerative colitis with other complication |
|
K51.819 |
Other ulcerative colitis with unspecified complications |
|
K51.911 |
Ulcerative colitis, unspecified with rectal bleeding |
|
K51.912 |
Ulcerative colitis, unspecified with intestinal obstruction |
|
K51.913 |
Ulcerative colitis, unspecified with fistula |
|
K51.914 |
Ulcerative colitis, unspecified with abscess |
|
K51.918 |
Ulcerative colitis, unspecified with other complication |
|
K51.919 |
Ulcerative colitis, unspecified with unspecified complications |
|
|
** Use additional code to identify manifestations, such as:
Pyoderma gangrenosum (L88) |
| 571.2 | Alcoholic cirrhosis of liver |
| K70.30 | Alcoholic cirrhosis of liver without ascites |
| K70.31 | Alcoholic cirrhosis of liver with ascites |
|
|
** Use additional code to identify: alcohol abuse and
dependence (FlO-) |
| 578.1 | Blood in stool |
| K92.1 | Melena |
| R19.5 | Other fecal abnormalities |
| 150.9 | Malignant neoplasm of esophagus unspecified site |
| C15.9 | Malignant neoplasm of esophagus, unspecified |
| C15.3 | Malignant neoplasm of upper third of esophagus |
|
C15.4 |
Malignant neoplasm of middle third of esophagus |
|
C15.5 |
Malignant neoplasm of lower third of esophagus |
|
C15.8 |
Malignant neoplasm of overlapping sites of esophagus |
|
|
** Use additional code to identify: alcohol abuse and
dependence (Fl 0-) |
| 786.50 | Chest pain, unspecified |
| R07.9 | Chest pain, unspecified |
| R07.1 | Chest pain on breathing |
|
R07.81 |
Pleurodynia |
|
R07.89 |
Other chest pain |
| V12.79 | Personal history of other specified digestive system diseases |
| Z87.19 | Personal history of other diseases of the digestive system |
|
| ** Code first any follow-up examination after treatment (Z09) |
| 577.2 | Cyst and pseudocyst of pancreas |
| K86.2 | Cyst of pancreas |
| K86.3 | Pseudocyst of pancreas |
| 531.90 | Gastric ulcer unspecified as acute or chronic without hemorrhage or perforation without obstruction |
| K25.9 | Gastric ulcer, unspecified as acute or chronic, without hemorrhage or perforation |
| 569.89 | Other specified disorders of intestines |
| K63.89 | Other specified diseases of intestine |
| K63.0 | Abscess of intestine |
|
K63.1 |
Perforation of intestine (nontraumatic) |
|
K63.2 |
Fistula of intestine |
|
K63.3 |
Ulcer of intestine |
|
K63.4 |
Enteroptosis |
|
K63.5 |
Polyp of colon |
|
K63.81 |
Dieulafoy lesion of intestine |
| 564.1 | Irritable bowel syndrome |
| K58.0 | Irritable bowel syndrome with diarrhea |
|
K58.9 | Irritable bowel syndrome without diarrhea |
| V18.51 | Family history, colonic polyps |
| Z83.71 | Family history of colonic polyps |
| 576.2 | Obstruction of bile duct |
| K83.1 | Obstruction of bile duct |
| 935.1 | Foreign body in esophagus |
|
| The appropriate 7th character is to be added to each code from category T18: |
| A | initial |
| D | subsequent |
| S | sequela |
|
| These codes require one of the 7th character extenders listed above |
|
T18.100- |
Unspecified foreign body in esophagus causing
compression of trachea |
|
T18.108- |
Unspecified foreign body in esophagus causing other
injury |
|
T18.110 |
Gastric contents in esophagus causing compression
of trachea |
|
T18.118- |
Gastric contents in esophagus causing other injury |
|
T18.120- |
Food in esophagus causing compression of trachea |
|
T18.128- |
Food in esophagus causing other injury |
|
T18.190- |
Other foreign body in esophagus causing
compression of trachea |
|
T18.198- |
Other foreign body in esophagus causing other injury |
| 530.11 | Reflux esophagitis |
| K21.0 | Gastro-esophageal reflux disease with esophagitis |
| K21.9 | Gastro-esophageal reflux disease without esophagitis |
| 794.8 | Nonspecific abnormal results of function study of liver |
| R94.5 | Abnormal results of function studies of other organs and systems |
| V10.05 | Personal history of malignant neoplasm of large intestine |
| Z85.030 | Personal history of malignant carcinoid tumor of large intestine |
| Z85.038 | Personal history of other malignant neoplasm of large intestine |