Benign neuroendocrine tumors
27 codes in this section
About Section D3A
Section D3A (D3A-D3A) covers benign neuroendocrine tumors. It sits within the Neoplasms chapter (C00-D49). This section contains 27 ICD-10-CM codes, 22 billable diagnoses you can submit on a claim, and 5 non-billable header codes used to organize the hierarchy.
Codes are organized below by 3-character root. Click the root to see all subcodes underneath it, or click any individual code for full coverage data, payer policies, and linked CPT procedures.
Codes in D3A
Grouped by 3-character root code. Click any code for full detail.
| D3A.0 | Benign carcinoid tumors | Header |
| D3A.00 | Benign carcinoid tumor of unspecified site | Billable |
| D3A.01 | Benign carcinoid tumors of the small intestine | Header |
| D3A.010 | Benign carcinoid tumor of the duodenum | Billable |
| D3A.011 | Benign carcinoid tumor of the jejunum | Billable |
| D3A.012 | Benign carcinoid tumor of the ileum | Billable |
| D3A.019 | Benign carcinoid tumor of the small intestine, unspecified portion | Billable |
| D3A.02 | Benign carcinoid tumors of the appendix, large intestine, and rectum | Header |
| D3A.020 | Benign carcinoid tumor of the appendix | Billable |
| D3A.021 | Benign carcinoid tumor of the cecum | Billable |
| D3A.022 | Benign carcinoid tumor of the ascending colon | Billable |
| D3A.023 | Benign carcinoid tumor of the transverse colon | Billable |
| D3A.024 | Benign carcinoid tumor of the descending colon | Billable |
| D3A.025 | Benign carcinoid tumor of the sigmoid colon | Billable |
| D3A.026 | Benign carcinoid tumor of the rectum | Billable |
| D3A.029 | Benign carcinoid tumor of the large intestine, unspecified portion | Billable |
| D3A.09 | Benign carcinoid tumors of other sites | Header |
| D3A.090 | Benign carcinoid tumor of the bronchus and lung | Billable |
| D3A.091 | Benign carcinoid tumor of the thymus | Billable |
| D3A.092 | Benign carcinoid tumor of the stomach | Billable |
| D3A.093 | Benign carcinoid tumor of the kidney | Billable |
| D3A.094 | Benign carcinoid tumor of the foregut, unspecified | Billable |
| D3A.095 | Benign carcinoid tumor of the midgut, unspecified | Billable |
| D3A.096 | Benign carcinoid tumor of the hindgut, unspecified | Billable |
| D3A.098 | Benign carcinoid tumors of other sites | Billable |
| D3A.8 | Other benign neuroendocrine tumors | Billable |
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Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on July 16, 2026.
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