C18Non-billable (header)
Malignant neoplasm of colon
Related Codes· Malignant neoplasms of digestive organs (C15-C26)
C15Malignant neoplasm of esophagusC16Malignant neoplasm of stomachC17Malignant neoplasm of small intestineC19Malignant neoplasm of rectosigmoid junctionC20Malignant neoplasm of rectumC21Malignant neoplasm of anus and anal canalC22Malignant neoplasm of liver and intrahepatic bile ductsC23Malignant neoplasm of gallbladderC24Malignant neoplasm of other and unspecified parts of biliary…C25Malignant neoplasm of pancreas
Sub-codes of C18(10)
C18 is a non-billable header. Select a sub-code to bill.
C18.0Malignant neoplasm of cecum✓ BillableC18.1Malignant neoplasm of appendix✓ BillableC18.2Malignant neoplasm of ascending colon✓ BillableC18.3Malignant neoplasm of hepatic flexure✓ BillableC18.4Malignant neoplasm of transverse colon✓ BillableC18.5Malignant neoplasm of splenic flexure✓ BillableC18.6Malignant neoplasm of descending colon✓ BillableC18.7Malignant neoplasm of sigmoid colon✓ BillableC18.8Malignant neoplasm of overlapping sites of colon✓ BillableC18.9Malignant neoplasm of colon, unspecified✓ Billable
✗ Excludes 1(Not coded here)
- •malignant carcinoid tumors of the colon (C7A.02-)
Code Hierarchy
┌2Neoplasms (C00-D49)├C15-C26Malignant neoplasms of digestive organs (C15-C26)├C18Malignant neoplasm of colon
└C18Malignant neoplasm of colon
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