ICD 10 Code for Digestive System Diseases: Range (K00-K95)

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ICD-CM 10 codes range K00-K95 different digestive system ailments and their diagnosis

The digestive system plays a crucial role in our overall health, and these codes help healthcare professionals accurately document and track various disorders related to the gastrointestinal tract.

ICD-10 codes dedicated to Digestive System Diseases fall within the K00-K95 category. This range covers a broad spectrum of conditions ranging from oral and esophageal disorders to diseases affecting the intestines, liver, gallbladder, and pancreas.

ICD-10-CM Code K00-K14: Oral Cavity and Salivary Glands Diseases

This category encompasses various conditions related to the mouth, teeth, and salivary glands. Some key subcategories within this range include dental caries (tooth decay), gingivitis (inflammation of the gums), and other disorders involving the oral cavity and salivary glands.

Key ICD-10-CM Codes for Oral Cavity and Salivary Glands Diseases
ICD Code	Description	Diagnosis
ICD Code K00.1	Excessive tooth decay due to sugar	Dental caries limited to enamel with demineralization and damage confined to the outermost layer of the tooth
ICD Code K01.1	Impacted teeth	Impacted third molar (wisdom tooth) causing localized pressure, pain, and potential complications due to improper eruption.
ICD Code K02.0	Recurrent caries of the crown	Dental caries involving the enamel and dentin of the crown, with the progressive decay affecting both the outer protective layer and the underlying tissue
ICD Code K03.7	Cracked tooth	Cracked tooth syndrome characterized by microscopic fractures within the tooth structure, leading to pain during chewing and sensitivity.
ICD Code K04.0	Periapical abscess with sinus	Periapical abscess with sinus tract formation, indicating a localized collection of pus at the tooth's root apex with drainage through a sinus opening.
ICD Code K05.1	Chronic gingivitis	Chronic inflammatory disease of the gums, marked by persistent inflammation, bleeding, and tenderness of the gingival tissues.
ICD Code K06.0	Excessive gingival recession	Gingival recession involving the progressive exposure of tooth roots due to factors such as aggressive tooth brushing or periodontal disease
ICD Code K07.6	Temporomandibular joint disorders	Temporomandibular joint (TMJ) disorder, encompassing a range of conditions affecting the jaw joint, often presenting with pain, clicking, and restricted jaw movement.
ICD Code K11.7	Disturbances of salivary secretion	Hypofunction of the salivary gland, indicating reduced saliva production, potentially causing dry mouth and affecting oral health.
ICD Code K14.5	Abscess of salivary gland	Abscess of the major salivary gland, involving a localized collection of pus within the salivary gland tissue, typically associated with swelling, pain, and inflammation.

Further Reading:

ICD-10-CM Code K20-K31: Diseases of the Esophagus, Stomach, and Duodenum

This range allows healthcare professionals to precisely document and code various conditions, ranging from Gastro-Esophageal Reflux Disease (GERD) and peptic ulcers to more specific diagnoses related to gastritis, duodenitis, and functional dyspepsia.

Key ICD-10-CM Codes for Diseases of the Esophagus, Stomach, and Duodenum
ICD Code	Description	Diagnosis
ICD Code K21.0	Gastro-esophageal Reflux Disease (GERD)	Characterized by the backward flow of stomach contents into the esophagus, causing symptoms such as heartburn
ICD Code K25.0	Gastric Ulcer	Peptic ulcer in the stomach, often associated with abdominal pain, bloating, and discomfort.
ICD Code K26.9	Duodenal Ulcer, Unspecified	Unspecified peptic ulcer in the duodenum, presenting with abdominal pain and other related symptoms.
ICD Code K29.7	Gastritis, Unspecified	Non-specific inflammation of the stomach lining, which may cause abdominal pain and discomfort
ICD Code K30.0	Functional Dyspepsia, Bloating	Chronic disorder characterized by recurring pain or discomfort in the upper abdomen, often accompanied by bloating.
ICD Code K31.0	Acute Duodenitis	Acute inflammation of the duodenum, potentially causing abdominal pain and digestive issues.
ICD Code K20.9	Esophagitis, Unspecified	Non-specific inflammation of the esophagus, often associated with symptoms like heartburn and difficulty swallowing.
ICD Code K28.9	Duodenal Disease, Unspecified	Unspecified disease affecting the duodenum, allowing for flexibility in coding various conditions.
ICD Code K22.9	Other Diseases of Esophagus, Unspecified	Unspecified esophagus disorders, providing a code for conditions not categorized elsewhere
ICD Code K29.9	Gastritis and Duodenitis, Unspecified	Unspecified inflammation of the stomach and duodenum, allowing for a broader classification when the specific nature of the inflammation is unidentified

ICD-10-CM Code K35-K38: Appendix Diseases

K35-K38 covers various conditions and disorders affecting the appendix, a small pouch-like organ located at the beginning of the large intestine. The appendix is prone to inflammation and infections, leading to multiple health issues.

Key ICD-10-CM Codes for Appendix Diseases
ICD Code	Description	Diagnosis
ICD Code K35.3	Acute Appendicitis with generalized peritonitis	Acute inflammation of the appendix with widespread inflammation of the abdominal lining.
ICD Code K35.89	Other and unspecified acute appendicitis	Acute inflammation of the appendix, not further specified.
ICD Code K37	Unspecified Appendicitis	Unspecified acute or chronic inflammation of the appendix.
ICD Code K35.2	Acute Appendicitis with peritoneal abscess	Acute inflammation of the appendix with the formation of a localized collection of pus within the abdominal cavity.
ICD Code K38.8	Other specified diseases of appendix	Various specified diseases affecting the appendix not covered by other specific codes.
ICD Code K37.3	Unspecified appendicitis with generalized peritonitis	Acute inflammation of the appendix with widespread inflammation of the abdominal lining, not further specified.
ICD Code K35.1	Acute Appendicitis with localized peritonitis	Acute inflammation of the appendix with inflammation confined to a specific area of the abdominal lining.
ICD Code K37.9	Unspecified appendicitis with peritonitis	Acute inflammation of the appendix with inflammation of the abdominal lining, not further specified.
ICD Code K35.0	Acute Appendicitis without perforation or gangrene	Acute inflammation of the appendix without complications such as perforation or tissue death.
ICD Code K38.9	Disease of the appendix, unspecified	Unspecified diseases affecting the appendix, allowing for a general code when the nature of the condition is not specified.

ICD-10-CM Code K40-K46: Hernia

The ICD-10-CM Code range K40-K46 covers various types and locations of hernias within the human body. A hernia occurs when an organ or tissue protrudes through an abnormal opening or weakened area in the surrounding muscles or connective tissue.

Key ICD-10-CM Codes for Hernia
ICD Code	Description	Diagnosis
ICD Code K40.0	Bilateral inguinal hernia, with obstruction, without gangrene	Inguinal hernia present on both sides with partial blockage of the herniated tissue but without tissue death
ICD Code K41.1	Direct inguinal hernia, with obstruction, without gangrene	Hernia in the inguinal region protruding through a weak point in the abdominal wall, causing partial blockage but without tissue death
ICD Code K42.9	Umbilical hernia without obstruction or gangrene, unspecified	Protrusion of abdominal contents through the umbilical region without blockage or tissue death, not further specified
ICD Code K43.0	Ventral hernia with obstruction, without gangrene	Hernia occurring in the anterior abdominal wall with partial blockage of the herniated tissue, but without tissue death
ICD Code K44.9	Diaphragmatic hernia without obstruction or gangrene, unspecified	Herniation of abdominal contents through the diaphragm without blockage or tissue death, not further specified.
ICD Code K45.0	Other specified abdominal hernia with obstruction, without gangrene	Hernia in an abdominal region other than inguinal, umbilical, or ventral, with partial blockage but without tissue death.
ICD Code K46.9	Unspecified abdominal hernia without obstruction or gangrene	Abdominal hernia not further specified, without blockage or tissue death.
ICD Code K40.3	Unilateral inguinal hernia, with obstruction, without gangrene	Inguinal hernia present on one side with partial blockage of the herniated tissue, but without tissue death
ICD Code K41.9	Unilateral or unspecified direct inguinal hernia, without obstruction or gangrene	Hernia in the inguinal region protruding through a weak point in the abdominal wall without blockage or tissue death, not specified as bilateral.
ICD Code K42.0	Epigastric hernia with obstruction, without gangrene	Hernia in the upper abdominal region above the navel with partial blockage of the herniated tissue, but without tissue death.

ICD-10-CM Code K50-K52: Noninfective Enteritis and Colitis

In this category, you’ll find non-infectious inflammation of the small and large intestines. Noninfective enteritis refers to inflammation of the small intestine, while colitis indicates inflammation of the large intestine (colon).

Key ICD-10-CM Codes for Noninfective Enteritis and Colitis
ICD Code	Description	Diagnosis
ICD Code K50.0	Crohn's disease of small intestine without complications	Inflammatory condition characterized by chronic inflammation of the small intestine, specifically identified as Crohn's disease without complications.
ICD Code K51.2	Toxic dilation of the colon	Noninfective colitis causing toxic dilation of the colon, often associated with severe inflammation and complications
ICD Code K52.2	Allergic and dietetic gastroenteritis and colitis	Inflammation of the intestines, specifically attributed to allergic reactions or dietary factors.
ICD Code K50.9	Crohn's disease, unspecified	Unspecified Crohn's disease, providing a general code when the specific nature of the condition is unidentified
ICD Code K51.0	Ulcerative (chronic) pancolitis	Chronic inflammation affecting the entire colon, characterized by ulceration.
ICD Code K52.1	Toxic gastroenteritis and colitis, not elsewhere classified	Inflammatory condition affecting the stomach and colon with toxic features, not classified elsewhere.
ICD Code K50.1	Crohn's disease of large intestine without complications	Crohn's disease, specifically affecting the large intestine without associated complications
ICD Code K51.8	Other ulcerative colitis	Types of ulcerative colitis not specified elsewhere, allowing for flexibility in coding.
ICD Code K52.9	Noninfective gastroenteritis and colitis, unspecified	Unspecified noninfectious inflammation of the gastrointestinal tract.
ICD Code K51.4	Indeterminate colitis	Colitis with features that do not fit precisely into categories like Crohn's disease or ulcerative colitis, leading to an indeterminate diagnosis.

ICD-10-CM Code K55-K64: Other Diseases of Intestines

Within this ICD code range, healthcare professionals can find codes for intestinal disorders, such as vascular disorders, functional bowel disorders, and other non-inflammatory conditions. Examples include intestinal adhesions, vascular insufficiency, and disorders of intestinal motility.

Key ICD-10-CM Codes for Other Diseases of Intestines
ICD Code	Description	Diagnosis
ICD Code K55.0	Acute vascular disorders of the intestine	Sudden onset of vascular disorders affecting the blood vessels of the intestine, potentially leading to ischemia.
ICD Code K56.1	Intussusception	Telescoping or invagination of one segment of the intestine into another, often causing obstruction.
ICD Code K57.30	Diverticulitis of small intestine without perforation or abscess without bleeding	Inflammation of small intestine diverticula without complications such as perforation or abscess and without bleeding.
ICD Code K58	Irritable bowel syndrome	Functional bowel disorder characterized by abdominal pain, bloating, and changes in bowel habits without evident structural abnormalities.
ICD Code K59.00	Constipation, unspecified	Unspecified constipation, indicating difficulty or infrequency in bowel movements without further specification.
ICD Code K60.0	Acute anal fissure	Tear or crack in the lining of the anus, often causing pain and discomfort during bowel movements.
ICD Code K61.0	Anal abscess	Collection of pus near the anus, usually resulting from an infection in an anal gland.
ICD Code K62.5	Ischemia of intestine	Reduced blood supply leads to insufficient oxygen and nutrients in the intestine, potentially causing damage.
ICD Code K63.5	Polyp of colon	Non-cancerous growth on the colon's inner lining, often detected during colonoscopies.
ICD Code K64.9	Unspecified hemorrhoids	Hemorrhoids not further specified, indicating swollen blood vessels in the rectum or anus.

ICD-10-CM Code K65-K68: Diseases of Peritoneum

ICD-10 K65-K68 enfolds various conditions affecting the peritoneum, a thin membrane that lines the abdominal cavity and covers the abdominal organs. This category includes disorders related to inflammation, infection, and other abnormalities of the peritoneal lining.

Key ICD-10-CM Codes for Diseases of Peritoneum
ICD Code	Description	Diagnosis
ICD Code K65.0	Generalized (acute) peritonitis	Widespread inflammation of the peritoneum, often associated with infection, injury, or other underlying conditions.
ICD Code K66.0	Peritoneal adhesions (postprocedural) (postinfection)	Abnormal fibrous bands that form between peritoneal surfaces, often occurring after surgery or infection.
ICD Code K65.9	Peritonitis, unspecified	Non-specific inflammation of the peritoneum, not further specified.
ICD Code K68.11	Chylous ascites	Accumulation of milky fluid containing lymph in the peritoneal cavity, often due to disruption of lymphatic vessels.
ICD Code K66.1	Peritoneal effusion (non-inflammatory)	Abnormal accumulation of fluid in the peritoneal cavity, not associated with inflammation.
ICD Code K65.8	Other peritonitis	Inflammation of the peritoneum with specific characteristics or causes not classified elsewhere.
ICD Code K66.8	Other specified disorders of the peritoneum	Various peritoneal disorders not classified elsewhere, allowing for flexibility in coding.
ICD Code K66.9	Disorder of peritoneum, unspecified	Unspecified disorder affecting the peritoneum, providing a general code when the nature of the condition is not specified.
ICD Code K68.0	Disorders of the peritoneum in infectious diseases classified elsewhere	Peritoneal disorders related to infectious diseases with a specific classification elsewhere.
ICD Code K65.8	Other specified peritonitis	Specific types of peritonitis not covered by other codes within the category.

ICD-10-CM Code A00-A79: Infectious Diseases

The liver is a vital organ responsible for numerous body metabolic functions. Diseases of the liver cover conditions from inflammatory conditions to cirrhosis and other chronic diseases.

Key ICD-10-CM Codes for Diseases of the Liver
ICD Code	Description	Diagnosis
ICD Code K70.30	Alcoholic cirrhosis of the liver without ascites	Chronic liver disease and scarring (cirrhosis) attributed to long-term alcohol consumption without fluid accumulation in the abdominal cavity (ascites).
ICD Code K74.60	Unspecified hepatitis C without hepatic coma	Chronic viral infection of the liver caused by the hepatitis C virus without associated hepatic coma.
ICD Code K76.6	Portal hypertension	Abnormally high blood pressure within the portal venous system, often associated with liver cirrhosis.
ICD Code K72.1	Hepatic failure, not elsewhere classified	Severe impairment of liver function without a specific cause identified elsewhere.
ICD Code K76.9	Liver disease, unspecified	General code for liver diseases not further specified, allowing for flexibility in coding.
ICD Code K76.0	Fatty (change of) liver, not elsewhere classified	Accumulation of fat in the liver, not attributed to alcohol or other specific causes.
ICD Code K71.6	Toxic liver disease with chronic active hepatitis	Liver inflammation caused by exposure to toxins, with ongoing chronic activity.
ICD Code K75.9	Inflammatory liver disease, unspecified	Non-specific inflammation of the liver, not further specified.
ICD Code K76.1	Chronic passive congestion of the liver	Impaired blood flow within the liver leading to congestion and enlargement, often associated with heart failure.
ICD Code K73.9	Chronic hepatitis, unspecified	Long-term inflammation of the liver without specific identification of the hepatitis type.

ICD-10-CM Code K80-K87: Disorders of Gallbladder, Biliary Tract, and Pancreas

Disorders under this category include conditions related to the gallbladder, biliary tract, and pancreas.

Key ICD-10-CM Codes for Disorders of Gallbladder, Biliary Tract, and Pancreas
ICD Code	Description	Diagnosis
ICD Code K80.0	Calculus of gallbladder with acute cholecystitis	Presence of gallstones in the gallbladder associated with acute inflammation (cholecystitis).
ICD Code K81.0	Acute cholecystitis	Sudden inflammation of the gallbladder, often caused by gallstones.
ICD Code K83.0	Obstruction of bile duct	Blockage in the bile duct, which may be caused by gallstones, tumors, or other factors.
ICD Code K85.9	Acute pancreatitis, unspecified	Sudden inflammation of the pancreas without further specification.
ICD Code K80.6	Biliary duct obstruction, unspecified	Blockage in the biliary ducts without further specification of the cause.
ICD Code K82.9	Obstruction of unspecified bile duct	Blockage in an unspecified bile duct, disrupting bile flow.
ICD Code K86.1	Other chronic pancreatitis	Long-term inflammation of the pancreas not classified elsewhere.
ICD Code K83.1	Hydrops of gallbladder	Abnormal distention or swelling of the gallbladder, often due to obstruction.
ICD Code K85.1	Chronic pancreatitis	Persistent inflammation of the pancreas, often leading to progressive damage.
ICD Code K80.5	Calculus of bile duct with acute cholangitis	Presence of gallstones in the bile duct associated with acute inflammation (cholangitis).

Further Reading:

ICD-10-CM Code K90-K93: Other Diseases of the Digestive System

Other Diseases of the Digestive System refer to conditions that affect the digestive tract beyond those covered by more specific categories. This category includes disorders affecting different parts of the gastrointestinal system, such as the small and large intestines, and conditions that may not fit precisely into other, more well-defined categories.

Key ICD-10-CM Codes for Other Diseases of the Digestive System
ICD Code	Description	Diagnosis
ICD Code K90.4	Hypersensitivity, unspecified	Non-specific hypersensitivity reaction affecting the digestive system.
ICD Code K91.3	Postprocedural intestinal obstruction	Bowel obstruction occurring as a result of a medical or surgical procedure.
ICD Code K92.0	Hematemesis	Vomiting of blood, indicating bleeding in the upper digestive tract.
ICD Code K93.2	Megacolon, not elsewhere classified	Abnormal dilation or enlargement of the colon, not classified elsewhere.
ICD Code K90.3	Postcholecystectomy syndrome	Symptoms that persist or arise after the surgical removal of the gallbladder.
ICD Code K91.1	Postprocedural intestinal pseudo-obstruction	A condition mimicking intestinal obstruction that occurs after a medical or surgical procedure.
ICD Code K92.2	Gastrointestinal hemorrhage, unspecified	Non-specific gastrointestinal bleeding without further specification.
ICD Code K90.0	Celiac disease	Chronic autoimmune disorder characterized by an intolerance to gluten, affecting the small intestine.
ICD Code K92.1	Melena	Black, tarry stools resulting from the digestion of blood in the digestive tract.
ICD Code K90.1	Non-celiac gluten sensitivity	A condition characterized by gastrointestinal and extra-intestinal symptoms related to gluten consumption in individuals without celiac disease.

Conclusion

The ICD-10 codes K00 - K93 are valuable for healthcare professionals to document and track digestive system diseases. These codes provide a systematic framework for diagnosis, treatment, and research across different medical disciplines like dentistry, gastroenterology, and internal medicine.

‍Disclaimer: The information provided in this blog regarding the International Classification of Diseases (ICD) codes is intended for informational purposes only. We strive to offer accurate and up-to-date content. However, the ICD codes are subject to changes, updates, and modifications by authoritative bodies such as the Centers for Disease Control and Prevention (CDC), the World Health Organization (WHO), and other relevant healthcare organizations. These changes can occur due to advancements in medical knowledge, new diseases, evolving diagnostic criteria, or updates in medical terminology.

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