D3A.020 Benign carcinoid tumor of the appendix

Billable ICD-10-CM code, FY2026.

Applies from D3A Benign neuroendocrine tumors

Excludes2 (not included here)

• benign pancreatic islet cell tumors (D13.7)

Use additional code

• code to identify any associated endocrine syndrome, such as:
• carcinoid syndrome (E34.00)

Code also

• any associated multiple endocrine neoplasia [MEN] syndromes (E31.2-)

Risk adjustment (HCC)

• CMS-HCC V28: HCC 22 — Bladder, Colorectal, and Other Cancers
• RxHCC V08: HCC 22 — Prostate, Breast, Bladder, and Other Cancers and Tumors

MS-DRG index

Defines the logic of DRG(s) 393-395 in MDC 06.

Approximate ICD-9-CM (GEMs)

• 209.51 Benign carcinoid tumor of the appendix

Code annotations containing back-references to D3A.020

Back-references to D3A.020

• Type 1 Excludes: D12.1 Benign neoplasm of appendix ("benign carcinoid tumor of the appendix (D3A.020)")

Back-references to D3A.02

• Type 2 Excludes: D12 Benign neoplasm of colon, rectum, anus and anal canal ("benign carcinoid tumors of the large intestine and rectum (D3A.02-)")

Diagnosis Index entries for D3A.020

• Tumor › carcinoid › benign › appendix

Nearby codes

• D3A.010 Benign carcinoid tumor of the duodenum
• D3A.011 Benign carcinoid tumor of the jejunum
• D3A.012 Benign carcinoid tumor of the ileum
• D3A.019 Benign carcinoid tumor of the small intestine, unspecified portion
• D3A.02 Benign carcinoid tumors of the appendix, large intestine, and rectum
• D3A.020 Benign carcinoid tumor of the appendix (this code)
• D3A.021 Benign carcinoid tumor of the cecum
• D3A.022 Benign carcinoid tumor of the ascending colon
• D3A.023 Benign carcinoid tumor of the transverse colon
• D3A.024 Benign carcinoid tumor of the descending colon
• D3A.025 Benign carcinoid tumor of the sigmoid colon