ICD-10-CM Table of Neoplasms — I
Find the site first, then the column matching the behavior stated in the diagnosis. Behavior must come from the pathology report, not from the site alone.
61 entries.
| Term | Codes by circumstance |
|---|---|
| ileocecum, ileocecal (coil) (junction) (valve) | Malignant, primary:C18.0Malignant, secondary:C78.5Ca in situ:D01.0Benign:D12.0Uncertain behavior:D37.4Unspecified behavior:D49.0 |
| ileum | Malignant, primary:C17.2Malignant, secondary:C78.4Ca in situ:D01.49Benign:D13.39Uncertain behavior:D37.2Unspecified behavior:D49.0 |
| ilium | Malignant, primary:C41.4Malignant, secondary:C79.51Benign:D16.8Uncertain behavior:D48.0Unspecified behavior:D49.2 |
| immunoproliferative NEC | Malignant, primary:C88.9 |
| infraclavicular (region) | Malignant, primary:C76.1Malignant, secondary:C79.89Ca in situ:D04.5Benign:D36.7Uncertain behavior:D48.7Unspecified behavior:D49.89 |
| inguinal (region) | Malignant, primary:C76.3Malignant, secondary:C79.89Ca in situ:D04.5Benign:D36.7Uncertain behavior:D48.7Unspecified behavior:D49.89 |
| insula | Malignant, primary:C71.0Malignant, secondary:C79.31Benign:D33.0Uncertain behavior:D43.0Unspecified behavior:D49.6 |
| insular tissue (pancreas) | Malignant, primary:C25.4Malignant, secondary:C78.89Ca in situ:D01.7Benign:D13.7Uncertain behavior:D37.8Unspecified behavior:D49.0 |
| insular tissue (pancreas), brain | Malignant, primary:C71.0Malignant, secondary:C79.31Benign:D33.0Uncertain behavior:D43.0Unspecified behavior:D49.6 |
| interarytenoid fold | Malignant, primary:C13.1Malignant, secondary:C79.89Ca in situ:D00.08Benign:D10.7Uncertain behavior:D37.05Unspecified behavior:D49.0 |
| interarytenoid fold, hypopharyngeal aspect | Malignant, primary:C13.1Malignant, secondary:C79.89Ca in situ:D00.08Benign:D10.7Uncertain behavior:D37.05Unspecified behavior:D49.0 |
| interarytenoid fold, laryngeal aspect | Malignant, primary:C32.1Malignant, secondary:C78.31Ca in situ:D02.0Benign:D14.1Uncertain behavior:D38.0Unspecified behavior:D49.1 |
| interarytenoid fold, marginal zone | Malignant, primary:C13.1Malignant, secondary:C79.89Ca in situ:D00.08Benign:D10.7Uncertain behavior:D37.05Unspecified behavior:D49.0 |
| interdental papillae | Malignant, primary:C03.9Malignant, secondary:C79.89Ca in situ:D00.03Benign:D10.39Uncertain behavior:D37.09Unspecified behavior:D49.0 |
| interdental papillae, lower | Malignant, primary:C03.1Malignant, secondary:C79.89Ca in situ:D00.03Benign:D10.39Uncertain behavior:D37.09Unspecified behavior:D49.0 |
| interdental papillae, upper | Malignant, primary:C03.0Malignant, secondary:C79.89Ca in situ:D00.03Benign:D10.39Uncertain behavior:D37.09Unspecified behavior:D49.0 |
| internal, capsule | Malignant, primary:C71.0Malignant, secondary:C79.31Benign:D33.0Uncertain behavior:D43.0Unspecified behavior:D49.6 |
| internal, os (cervix) | Malignant, primary:C53.0Malignant, secondary:C79.82Ca in situ:D06.0Benign:D26.0Uncertain behavior:D39.0Unspecified behavior:D49.59 |
| intervertebral cartilage or disc | Malignant, primary:C41.2Malignant, secondary:C79.51Benign:D16.6Uncertain behavior:D48.0Unspecified behavior:D49.2 |
| intestine, intestinal | Malignant, primary:C26.0Malignant, secondary:C78.80Ca in situ:D01.40Benign:D13.99Uncertain behavior:D37.8Unspecified behavior:D49.0 |
| intestine, intestinal, large | Malignant, primary:C18.9Malignant, secondary:C78.5Ca in situ:D01.0Benign:D12.6Uncertain behavior:D37.4Unspecified behavior:D49.0 |
| intestine, intestinal, large, appendix | Malignant, primary:C18.1Malignant, secondary:C78.5Ca in situ:D01.0Benign:D12.1Uncertain behavior:D37.3Unspecified behavior:D49.0 |
| intestine, intestinal, large, caput coli | Malignant, primary:C18.0Malignant, secondary:C78.5Ca in situ:D01.0Benign:D12.0Uncertain behavior:D37.4Unspecified behavior:D49.0 |
| intestine, intestinal, large, cecum | Malignant, primary:C18.0Malignant, secondary:C78.5Ca in situ:D01.0Benign:D12.0Uncertain behavior:D37.4Unspecified behavior:D49.0 |
| intestine, intestinal, large, colon | Malignant, primary:C18.9Malignant, secondary:C78.5Ca in situ:D01.0Benign:D12.6Uncertain behavior:D37.4Unspecified behavior:D49.0 |
| intestine, intestinal, large, colon, and rectum | Malignant, primary:C19Malignant, secondary:C78.5Ca in situ:D01.1Benign:D12.7Uncertain behavior:D37.5Unspecified behavior:D49.0 |
| intestine, intestinal, large, colon, ascending | Malignant, primary:C18.2Malignant, secondary:C78.5Ca in situ:D01.0Benign:D12.2Uncertain behavior:D37.4Unspecified behavior:D49.0 |
| intestine, intestinal, large, colon, caput | Malignant, primary:C18.0Malignant, secondary:C78.5Ca in situ:D01.0Benign:D12.0Uncertain behavior:D37.4Unspecified behavior:D49.0 |
| intestine, intestinal, large, colon, descending | Malignant, primary:C18.6Malignant, secondary:C78.5Ca in situ:D01.0Benign:D12.4Uncertain behavior:D37.4Unspecified behavior:D49.0 |
| intestine, intestinal, large, colon, distal | Malignant, primary:C18.6Malignant, secondary:C78.5Ca in situ:D01.0Benign:D12.4Uncertain behavior:D37.4Unspecified behavior:D49.0 |
| intestine, intestinal, large, colon, left | Malignant, primary:C18.6Malignant, secondary:C78.5Ca in situ:D01.0Benign:D12.4Uncertain behavior:D37.4Unspecified behavior:D49.0 |
| intestine, intestinal, large, colon, overlapping lesion | Malignant, primary:C18.8 |
| intestine, intestinal, large, colon, pelvic | Malignant, primary:C18.7Malignant, secondary:C78.5Ca in situ:D01.0Benign:D12.5Uncertain behavior:D37.4Unspecified behavior:D49.0 |
| intestine, intestinal, large, colon, right | Malignant, primary:C18.2Malignant, secondary:C78.5Ca in situ:D01.0Benign:D12.2Uncertain behavior:D37.4Unspecified behavior:D49.0 |
| intestine, intestinal, large, colon, sigmoid (flexure) | Malignant, primary:C18.7Malignant, secondary:C78.5Ca in situ:D01.0Benign:D12.5Uncertain behavior:D37.4Unspecified behavior:D49.0 |
| intestine, intestinal, large, colon, transverse | Malignant, primary:C18.4Malignant, secondary:C78.5Ca in situ:D01.0Benign:D12.3Uncertain behavior:D37.4Unspecified behavior:D49.0 |
| intestine, intestinal, large, hepatic flexure | Malignant, primary:C18.3Malignant, secondary:C78.5Ca in situ:D01.0Benign:D12.3Uncertain behavior:D37.4Unspecified behavior:D49.0 |
| intestine, intestinal, large, ileocecum, ileocecal (coil) (valve) | Malignant, primary:C18.0Malignant, secondary:C78.5Ca in situ:D01.0Benign:D12.0Uncertain behavior:D37.4Unspecified behavior:D49.0 |
| intestine, intestinal, large, overlapping lesion | Malignant, primary:C18.8 |
| intestine, intestinal, large, sigmoid flexure (lower) (upper) | Malignant, primary:C18.7Malignant, secondary:C78.5Ca in situ:D01.0Benign:D12.5Uncertain behavior:D37.4Unspecified behavior:D49.0 |
| intestine, intestinal, large, splenic flexure | Malignant, primary:C18.5Malignant, secondary:C78.5Ca in situ:D01.0Benign:D12.3Uncertain behavior:D37.4Unspecified behavior:D49.0 |
| intestine, intestinal, small | Malignant, primary:C17.9Malignant, secondary:C78.4Ca in situ:D01.40Benign:D13.30Uncertain behavior:D37.2Unspecified behavior:D49.0 |
| intestine, intestinal, small, duodenum | Malignant, primary:C17.0Malignant, secondary:C78.4Ca in situ:D01.49Benign:D13.2Uncertain behavior:D37.2Unspecified behavior:D49.0 |
| intestine, intestinal, small, ileum | Malignant, primary:C17.2Malignant, secondary:C78.4Ca in situ:D01.49Benign:D13.39Uncertain behavior:D37.2Unspecified behavior:D49.0 |
| intestine, intestinal, small, jejunum | Malignant, primary:C17.1Malignant, secondary:C78.4Ca in situ:D01.49Benign:D13.39Uncertain behavior:D37.2Unspecified behavior:D49.0 |
| intestine, intestinal, small, overlapping lesion | Malignant, primary:C17.8 |
| intestine, intestinal, tract NEC | Malignant, primary:C26.0Malignant, secondary:C78.89Ca in situ:D01.40Benign:D13.99Uncertain behavior:D37.8Unspecified behavior:D49.0 |
| intra-abdominal | Malignant, primary:C76.2Malignant, secondary:C79.89Ca in situ:D09.8Benign:D36.7Uncertain behavior:D48.7Unspecified behavior:D49.89 |
| intracranial NEC | Malignant, primary:C71.9Malignant, secondary:C79.31Benign:D33.2Uncertain behavior:D43.2Unspecified behavior:D49.6 |
| intrahepaticduct (bile) | Malignant, primary:C22.1Malignant, secondary:C78.7Ca in situ:D01.5Benign:D13.4Uncertain behavior:D37.6Unspecified behavior:D49.0 |
| intraocular | Malignant, secondary:C79.49Uncertain behavior:D48.7Unspecified behavior:D49.89 |
| intraorbital | Malignant, secondary:C79.49Uncertain behavior:D48.7Unspecified behavior:D49.89 |
| intrasellar | Malignant, primary:C75.1Malignant, secondary:C79.89Ca in situ:D09.3Benign:D35.2Uncertain behavior:D44.3Unspecified behavior:D49.7 |
| intrathoracic (cavity) (organs) | Malignant, primary:C76.1Malignant, secondary:C79.89Ca in situ:D09.8Benign:D15.9Uncertain behavior:D48.7Unspecified behavior:D49.89 |
| intrathoracic (cavity) (organs), specified NEC | Malignant, primary:C76.1Malignant, secondary:C79.89Ca in situ:D09.8Benign:D15.7 |
| iris | Malignant, secondary:C79.49Uncertain behavior:D48.7Unspecified behavior:D49.89 |
| ischiorectal (fossa) | Malignant, primary:C76.3Malignant, secondary:C79.89Ca in situ:D09.8Benign:D36.7Uncertain behavior:D48.7Unspecified behavior:D49.89 |
| ischium | Malignant, primary:C41.4Malignant, secondary:C79.51Benign:D16.8Uncertain behavior:D48.0Unspecified behavior:D49.2 |
| island of Reil | Malignant, primary:C71.0Malignant, secondary:C79.31Benign:D33.0Uncertain behavior:D43.0Unspecified behavior:D49.6 |
| islands or islets of Langerhans | Malignant, primary:C25.4Malignant, secondary:C78.89Ca in situ:D01.7Benign:D13.7Uncertain behavior:D37.8Unspecified behavior:D49.0 |
| isthmus uteri | Malignant, primary:C54.0Malignant, secondary:C79.82Ca in situ:D07.0Benign:D26.1Uncertain behavior:D39.0Unspecified behavior:D49.59 |
Read from: CMS/CDC ICD-10-CM release files (tabular list, order file, addenda) — FY2027. All data sources · How to read the labels
Current data releases:ICD-10-CM FY2027 · ICD-10-PCS FY2027 · HCPCS October 2026 · MS-DRG v44 · Medicare Code Editor v44.0 · NCCI PTP Q4 2026 · MUE Q4 2026 · NCD code lists 2026-01 · LCD export September 28, 2026 · All releases and sources