D13: Benign neoplasm of other and ill-defined parts of digestive system
Codes under D13 (Benign neoplasm of other and ill-defined parts of digestive system). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| D13.0 | Benign neoplasm of esophagus | ✓ |
| D13.0 | Benign neoplasm of esophagus | ✓ |
| D13.1 | Benign neoplasm of stomach | ✓ |
| D13.1 | Benign neoplasm of stomach | ✓ |
| D13.2 | Benign neoplasm of duodenum | ✓ |
| D13.2 | Benign neoplasm of duodenum | ✓ |
| D13.3 | Benign neoplasm of other and unspecified parts of small intestine | — |
| D13.3 | Benign neoplasm of other and unspecified parts of small intestine | — |
| D13.4 | Benign neoplasm of liver | ✓ |
| D13.4 | Benign neoplasm of liver | ✓ |
| D13.5 | Benign neoplasm of extrahepatic bile ducts | ✓ |
| D13.5 | Benign neoplasm of extrahepatic bile ducts | ✓ |
| D13.6 | Benign neoplasm of pancreas | ✓ |
| D13.6 | Benign neoplasm of pancreas | ✓ |
| D13.7 | Benign neoplasm of endocrine pancreas | ✓ |
| D13.7 | Benign neoplasm of endocrine pancreas | ✓ |
| D13.9 | Benign neoplasm of ill-defined sites within the digestive system | — |
| D13.9 | Benign neoplasm of ill-defined sites within the digestive system | — |
| D13.30 | Benign neoplasm of unspecified part of small intestine | ✓ |
| D13.30 | Benign neoplasm of unspecified part of small intestine | ✓ |
| D13.39 | Benign neoplasm of other parts of small intestine | ✓ |
| D13.39 | Benign neoplasm of other parts of small intestine | ✓ |
| D13.91 | Familial adenomatous polyposis | ✓ |
| D13.91 | Familial adenomatous polyposis | ✓ |
| D13.99 | Benign neoplasm of ill-defined sites within the digestive system | ✓ |
| D13.99 | Benign neoplasm of ill-defined sites within the digestive system | ✓ |
Frequently asked questions
What is ICD-10-CM code D13?
D13 is an ICD-10-CM category covering Benign neoplasm of other and ill-defined parts of digestive system. It contains 26 more specific diagnosis codes, 22 of which are billable.
Is D13 a billable code?
No — D13 is a category header and isn't billable on its own. Code to the highest level of specificity using one of its subcodes (for example D13.0 — Benign neoplasm of esophagus). 22 of the 26 codes under D13 are billable.
What codes fall under D13?
D13 includes D13.0, D13.0, D13.1, D13.1, D13.2, plus 21 more. See the full list with descriptions and billable status above.
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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