D3A.024Benign carcinoid tumor of the descending colon

D3A.024 is the ICD-10-CM diagnosis code for benign carcinoid tumor of the descending colon. It belongs to category D3A (benign neuroendocrine tumors), block D3A (benign neuroendocrine tumors) and chapter 2 (neoplasms). It is billable, so it can be reported on its own for dates of service from October 1, 2026 through September 30, 2027.

Within D3A.02 (benign carcinoid tumors of the appendix, large intestine, and rectum), D3A.024 is specifically for benign carcinoid tumor of the descending colon. Related codes cover appendix (D3A.020), cecum (D3A.021), ascending colon (D3A.022), transverse colon (D3A.023), sigmoid colon (D3A.025), rectum (D3A.026) and large intestine, unspecified portion (D3A.029).

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

It is not a CC or MCC, so as a secondary diagnosis it doesn't change the MS-DRG severity level.

In MS-DRG v44.0, it is part of the grouping logic for DRG 393 (Other Digestive System Diagnoses with MCC, relative weight 1.5881), DRG 394 (Other Digestive System Diagnoses with CC, relative weight 0.9228) and DRG 395 (Other Digestive System Diagnoses without CC/MCC, relative weight 0.6382), in MDC 06 (Diseases and Disorders of the Digestive System), as a principal or secondary diagnosis. The DRG a claim lands in depends on the principal diagnosis, procedures and any CC/MCC secondary diagnoses.

It has been part of ICD-10-CM since the code set took effect on October 1, 2015 and hasn't changed since.

Before ICD-10, this condition was coded in ICD-9-CM as 209.55 (benign carcinoid tumor of the descending colon).