2026 ICD-10-CM Diagnosis Code D37Neoplasm of uncertain behavior of oral cavity and digestive organs

ICD-10-CM Codes›C00–D49›D37-D48›D37

ICD-10-CM D37
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

D37 is a non-billable ICD-10-CM category code for neoplasm of uncertain behavior of oral cavity and digestive organs, so it cannot be submitted on claims. Use a more specific code from this category instead, such as D37.01, D37.02, D37.030, and D37.031.

Code Identity

ICD-10-CM Code
D37
Billable Status
No — Non-Billable Category
Code Describes
Neoplasm of uncertain behavior of oral cavity and digestive organs
Short Description
Neoplasm of uncrt behavior of oral cavity and dgstv organs
Chapter
D37-D48
Neoplasms of uncertain behavior, polycythemia vera and myelodysplastic syndromes

Code Classification

ChapterC00–D49Neoplasms
SectionD37-D48Neoplasms of uncertain behavior, polycythemia vera and myelodysplastic syndromes
CategoryD37Neoplasm of uncertain behavior of oral cavity and digestive organs
This CodeD37Neoplasm of uncertain behavior of oral cavity and digestive organs

Specific Coding for Neoplasm of uncrt behavior of oral cavity and dgstv organsOverview

Non-specific codes like D37 require more characters. Use one of these billable codes instead:

  • D37.0 for Neoplasm of uncertain behavior of lip, oral cavity and pharynx

  • Use D37.01 for Neoplasm of uncertain behavior of lip

  • Use D37.02 for Neoplasm of uncertain behavior of tongue

  • D37.03 for Neoplasm of uncertain behavior of the major salivary glands

  • Use D37.04 for Neoplasm of uncertain behavior of the minor salivary glands

  • Use D37.05 for Neoplasm of uncertain behavior of pharynx

  • Use D37.09 for Neoplasm of uncertain behavior of other specified sites of the oral cavity

  • Use D37.1 for Neoplasm of uncertain behavior of stomach

  • Use D37.2 for Neoplasm of uncertain behavior of small intestine

  • Use D37.3 for Neoplasm of uncertain behavior of appendix

  • Use D37.4 for Neoplasm of uncertain behavior of colon

  • Use D37.5 for Neoplasm of uncertain behavior of rectum

  • Use D37.6 for Neoplasm of uncertain behavior of liver, gallbladder and bile ducts

  • Use D37.8 for Neoplasm of uncertain behavior of other specified digestive organs

  • Use D37.9 for Neoplasm of uncertain behavior of digestive organ, unspecified

Tabular List NotesGuidance

Coding notes and annotation back-references applicable to this code.

Type 1 Excludes

  • stromal tumors of uncertain behavior of digestive system D48.1

Patient EducationClinical

Digestive Diseases

When you eat, your body breaks food down to a form it can use to build and nourish cells and provide energy. This process is called digestion.

Read the full article at MedlinePlus

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Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About D37Overview

Is D37 a billable code?

No. This is a category header that groups the codes for neoplasm of uncertain behavior of oral cavity and digestive organs, and headers cannot be submitted on claims. Claims for neoplasm of uncertain behavior of oral cavity and digestive organs need a more specific code from this category, such as D37.01, D37.02, and D37.030.