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D13.99

D13.99: Benign neoplasm of ill-defined sites within the digestive system

Billable / specific codeICD-10-CM

D13.99 is a billable, specific ICD-10-CM code for benign neoplasm of ill-defined sites within the digestive system. It is valid for submission on a claim.

Check D13.99 with the rest of the claim: free scrubber

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

  • Benign neoplasm of digestive system NOS
  • Benign neoplasm of intestine NOS
  • Benign neoplasm of spleen

Excludes1 inherited from the categories above D13.99

A category’s note binds every code beneath it.

Written on D13: Benign neoplasm of other and ill-defined parts of digestive system

  • benign stromal tumors of digestive system (D21.4)

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

D13.99 is named in 6 Medicare coverage policies: 6 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A56531Billing and Coding: Octreotide Acetate for Injectable Suspension (Sandostatin® LAR Depot)
  • A56580Billing and Coding: Computerized Axial Tomography (CT), Thorax
  • A56695Billing and Coding: Implantable Infusion Pump
  • A57063Billing and Coding: Diagnostic and Therapeutic Esophagogastroduodenoscopy

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under D13.9

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.