About Section C15-C26

Section C15-C26 covers Malignant neoplasms of digestive organs within Chapter 2 of the ICD-10-CM Tabular List. This section includes diagnosis codes ranging from C15 to C26. Each code below includes its description, billable status, and links to detailed coding guidelines.
Diagnosis Codes 69 entries
C15Malignant neoplasm of esophagusNon-Billable›C15.3Malignant neoplasm of upper third of esophagusBillable›C15.4Malignant neoplasm of middle third of esophagusBillable›C15.5Malignant neoplasm of lower third of esophagusBillable›C15.8Malignant neoplasm of overlapping sites of esophagusBillable›C15.9Malignant neoplasm of esophagus, unspecifiedBillable›C16Malignant neoplasm of stomachNon-Billable›C16.0Malignant neoplasm of cardiaBillable›C16.1Malignant neoplasm of fundus of stomachBillable›C16.2Malignant neoplasm of body of stomachBillable›C16.3Malignant neoplasm of pyloric antrumBillable›C16.4Malignant neoplasm of pylorusBillable›C16.5Malignant neoplasm of lesser curvature of stomach, unspecifiedBillable›C16.6Malignant neoplasm of greater curvature of stomach, unspecifiedBillable›C16.8Malignant neoplasm of overlapping sites of stomachBillable›C16.9Malignant neoplasm of stomach, unspecifiedBillable›C17Malignant neoplasm of small intestineNon-Billable›C17.0Malignant neoplasm of duodenumBillable›C17.1Malignant neoplasm of jejunumBillable›C17.2Malignant neoplasm of ileumBillable›C17.3Meckel's diverticulum, malignantBillable›C17.8Malignant neoplasm of overlapping sites of small intestineBillable›C17.9Malignant neoplasm of small intestine, unspecifiedBillable›C18Malignant neoplasm of colonNon-Billable›C18.0Malignant neoplasm of cecumBillable›C18.1Malignant neoplasm of appendixBillable›C18.2Malignant neoplasm of ascending colonBillable›C18.3Malignant neoplasm of hepatic flexureBillable›C18.4Malignant neoplasm of transverse colonBillable›C18.5Malignant neoplasm of splenic flexureBillable›C18.6Malignant neoplasm of descending colonBillable›C18.7Malignant neoplasm of sigmoid colonBillable›C18.8Malignant neoplasm of overlapping sites of colonBillable›C18.9Malignant neoplasm of colon, unspecifiedBillable›C19Malignant neoplasm of rectosigmoid junctionBillable›C20Malignant neoplasm of rectumBillable›C21Malignant neoplasm of anus and anal canalNon-Billable›C21.0Malignant neoplasm of anus, unspecifiedBillable›C21.1Malignant neoplasm of anal canalBillable›C21.2Malignant neoplasm of cloacogenic zoneBillable›C21.8Malignant neoplasm of overlapping sites of rectum, anus and anal canalBillable›C22Malignant neoplasm of liver and intrahepatic bile ductsNon-Billable›C22.0Liver cell carcinomaBillable›C22.1Intrahepatic bile duct carcinomaBillable›C22.2HepatoblastomaBillable›C22.3Angiosarcoma of liverBillable›C22.4Other sarcomas of liverBillable›C22.7Other specified carcinomas of liverBillable›C22.8Malignant neoplasm of liver, primary, unspecified as to typeBillable›C22.9Malignant neoplasm of liver, not specified as primary or secondaryBillable›C23Malignant neoplasm of gallbladderBillable›C24Malignant neoplasm of other and unspecified parts of biliary tractNon-Billable›C24.0Malignant neoplasm of extrahepatic bile ductBillable›C24.1Malignant neoplasm of ampulla of VaterBillable›C24.8Malignant neoplasm of overlapping sites of biliary tractBillable›C24.9Malignant neoplasm of biliary tract, unspecifiedBillable›C25Malignant neoplasm of pancreasNon-Billable›C25.0Malignant neoplasm of head of pancreasBillable›C25.1Malignant neoplasm of body of pancreasBillable›C25.2Malignant neoplasm of tail of pancreasBillable›C25.3Malignant neoplasm of pancreatic ductBillable›C25.4Malignant neoplasm of endocrine pancreasBillable›C25.7Malignant neoplasm of other parts of pancreasBillable›C25.8Malignant neoplasm of overlapping sites of pancreasBillable›C25.9Malignant neoplasm of pancreas, unspecifiedBillable›C26Malignant neoplasm of other and ill-defined digestive organsNon-Billable›C26.0Malignant neoplasm of intestinal tract, part unspecifiedBillable›C26.1Malignant neoplasm of spleenBillable›C26.9Malignant neoplasm of ill-defined sites within the digestive systemBillable›