C17 Malignant neoplasm of small intestine

⚠ Non-Billable ICD-10-CM 2026
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The ICD-10-CM code for Malignant neoplasm of small intestine is C17 (FY2026). It is a non-billable category code — select a more specific code below for claims.

Classification

Section
C15-C26: Malignant neoplasms of digestive organs (C15-C26)
Category C17
7 codes (6 billable)
FY2026 Status
Stable since FY2024
Excludes1
Not coded here. These conditions should NOT be coded together with C17.
  • malignant carcinoid tumors of the small intestine (C7A.01)

Official Coding Guidelines

Tx of primary site (TOC entry)

a. Admission/Encounter for treatment of primary site ............................................................. 33

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.2.a
Tx of secondary site (TOC entry)

b. Admission/Encounter for treatment of secondary site .......................................................... 33

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.2.b

Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026

References

Cite This Page

Reference C17 with the canonical source and edition:

C17 — Malignant neoplasm of small intestine. ICD-10 Coding Pro (ICD-10-CM FY2026). https://icd10codingpro.com/codes/C17

Canonical URL: https://icd10codingpro.com/codes/C17

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Reviewed by Prajwal Shrestha, CPC, CRC
Certified Professional Coder (CPC) and Certified Risk Adjustment Coder (CRC) · AAPC Member ID 01997614 · About · Editorial policy · Content last reviewed: 2025-10-01

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