ICD-10 · PDGM grouping
C15-C26 — Malignant neoplasms of digestive organs
Every ICD-10-CM code in this range and the PDGM clinical group CMS assigns to it, read from the CMS grouper crosswalk v07.2.26.
ICD-10-CM FY2027 · CMS grouper v07.2.26
Codes in range
60
No clinical group
0
A period cannot be grouped from these.
Barred as primary
0
CMS rejects these in the primary position.
Where these codes group
60 of the 60 codes in C15-C26 group to MMTA - Infectious Disease, Neoplasms, and Blood-Forming Diseases. Every code here is assigned a group.
Code families in C15-C26
One page per three-character family: every code in it, whether it can lead a claim, its clinical group and comorbidity subgroup.
- C15Malignant neoplasm of esophagus5 codes
- C16Malignant neoplasm of stomach9 codes
- C17Malignant neoplasm of small intestine6 codes
- C18Malignant neoplasm of colon10 codes
- C19Malignant neoplasm of rectosigmoid junction1 code
- C20Malignant neoplasm of rectum1 code
- C21Malignant neoplasm of anus and anal canal4 codes
- C22Malignant neoplasm of liver and intrahepatic bile ducts8 codes
- C23Malignant neoplasm of gallbladder1 code
- C24Malignant neoplasm of other and unspecified parts of biliary tract4 codes
- C25Malignant neoplasm of pancreas8 codes
- C26Malignant neoplasm of other and ill-defined digestive organs3 codes
Every code in C15-C26
Descriptions are CMS’s own, abbreviated as CMS abbreviates them.
| Code | Description | Clinical group | Primary position |
|---|---|---|---|
| C153 | Malignant neoplasm of upper third of esophagus | K | Can lead a claim |
| C154 | Malignant neoplasm of middle third of esophagus | K | Can lead a claim |
| C155 | Malignant neoplasm of lower third of esophagus | K | Can lead a claim |
| C158 | Malignant neoplasm of overlapping sites of esophagus | K | Can lead a claim |
| C159 | Malignant neoplasm of esophagus, unspecified | K | Can lead a claim |
| C160 | Malignant neoplasm of cardia | K | Can lead a claim |
| C161 | Malignant neoplasm of fundus of stomach | K | Can lead a claim |
| C162 | Malignant neoplasm of body of stomach | K | Can lead a claim |
| C163 | Malignant neoplasm of pyloric antrum | K | Can lead a claim |
| C164 | Malignant neoplasm of pylorus | K | Can lead a claim |
| C165 | Malignant neoplasm of lesser curvature of stomach, unsp | K | Can lead a claim |
| C166 | Malignant neoplasm of greater curvature of stomach, unsp | K | Can lead a claim |
| C168 | Malignant neoplasm of overlapping sites of stomach | K | Can lead a claim |
| C169 | Malignant neoplasm of stomach, unspecified | K | Can lead a claim |
| C170 | Malignant neoplasm of duodenum | K | Can lead a claim |
| C171 | Malignant neoplasm of jejunum | K | Can lead a claim |
| C172 | Malignant neoplasm of ileum | K | Can lead a claim |
| C173 | Meckel's diverticulum, malignant | K | Can lead a claim |
| C178 | Malignant neoplasm of overlapping sites of small intestine | K | Can lead a claim |
| C179 | Malignant neoplasm of small intestine, unspecified | K | Can lead a claim |
| C180 | Malignant neoplasm of cecum | K | Can lead a claim |
| C181 | Malignant neoplasm of appendix | K | Can lead a claim |
| C182 | Malignant neoplasm of ascending colon | K | Can lead a claim |
| C183 | Malignant neoplasm of hepatic flexure | K | Can lead a claim |
| C184 | Malignant neoplasm of transverse colon | K | Can lead a claim |
| C185 | Malignant neoplasm of splenic flexure | K | Can lead a claim |
| C186 | Malignant neoplasm of descending colon | K | Can lead a claim |
| C187 | Malignant neoplasm of sigmoid colon | K | Can lead a claim |
| C188 | Malignant neoplasm of overlapping sites of colon | K | Can lead a claim |
| C189 | Malignant neoplasm of colon, unspecified | K | Can lead a claim |
| C19 | Malignant neoplasm of rectosigmoid junction | K | Can lead a claim |
| C20 | Malignant neoplasm of rectum | K | Can lead a claim |
| C210 | Malignant neoplasm of anus, unspecified | K | Can lead a claim |
| C211 | Malignant neoplasm of anal canal | K | Can lead a claim |
| C212 | Malignant neoplasm of cloacogenic zone | K | Can lead a claim |
| C218 | Malig neoplasm of ovrlp sites of rectum, anus and anal canal | K | Can lead a claim |
| C220 | Liver cell carcinoma | K | Can lead a claim |
| C221 | Intrahepatic bile duct carcinoma | K | Can lead a claim |
| C222 | Hepatoblastoma | K | Can lead a claim |
| C223 | Angiosarcoma of liver | K | Can lead a claim |
| C224 | Other sarcomas of liver | K | Can lead a claim |
| C227 | Other specified carcinomas of liver | K | Can lead a claim |
| C228 | Malignant neoplasm of liver, primary, unspecified as to type | K | Can lead a claim |
| C229 | Malig neoplasm of liver, not specified as primary or sec | K | Can lead a claim |
| C23 | Malignant neoplasm of gallbladder | K | Can lead a claim |
| C240 | Malignant neoplasm of extrahepatic bile duct | K | Can lead a claim |
| C241 | Malignant neoplasm of ampulla of Vater | K | Can lead a claim |
| C248 | Malignant neoplasm of overlapping sites of biliary tract | K | Can lead a claim |
| C249 | Malignant neoplasm of biliary tract, unspecified | K | Can lead a claim |
| C250 | Malignant neoplasm of head of pancreas | K | Can lead a claim |
| C251 | Malignant neoplasm of body of pancreas | K | Can lead a claim |
| C252 | Malignant neoplasm of tail of pancreas | K | Can lead a claim |
| C253 | Malignant neoplasm of pancreatic duct | K | Can lead a claim |
| C254 | Malignant neoplasm of endocrine pancreas | K | Can lead a claim |
| C257 | Malignant neoplasm of other parts of pancreas | K | Can lead a claim |
| C258 | Malignant neoplasm of overlapping sites of pancreas | K | Can lead a claim |
| C259 | Malignant neoplasm of pancreas, unspecified | K | Can lead a claim |
| C260 | Malignant neoplasm of intestinal tract, part unspecified | K | Can lead a claim |
| C261 | Malignant neoplasm of spleen | K | Can lead a claim |
| C269 | Malignant neoplasm of ill-defined sites within the dgstv sys | K | Can lead a claim |
Source: CMS HH PPS Grouper Software v07.2.26, effective 2026-10-01. This is the crosswalk Medicare runs a claim through. Grouping also depends on admission source, timing, the OASIS functional items and the rest of the diagnosis list.
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