C17 ICD-10-CM Code: Malignant neoplasm of small intestine
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Official description
C17Malignant neoplasm of small intestine
ICD-10-CM diagnosis code · United States clinical modification
Where C17 sits
- 1
Chapter 2
Neoplasms (C00-D49)
- 2
Section
Malignant neoplasms of digestive organs (C15-C26)
- 3
Category C17
Malignant neoplasm of small intestine
- 4
Code C17
Malignant neoplasm of small intestine
Codes under C17
C17 is a non-billable category. Choose the child code that best matches the documented diagnosis.
Notes for this code
Inclusion terms
No inclusion terms are listed for C17.
Code first
No “code first” instruction is listed for C17.
Use additional code
No “use additional code” instruction is listed for C17.
Excludes1
Conditions that should not be reported together with this code.
- malignant carcinoid tumors of the small intestine (C7A.01)
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for C17.
Source and release
- Data release
- U.S. ICD-10-CM · FY 2027
- Effective date
- Oct 1, 2026
- Publisher
- Vero Scribe Inc.
This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.
Frequently asked questions
What does ICD-10-CM code C17 mean?
C17 is the FY 2027 U.S. ICD-10-CM code for “Malignant neoplasm of small intestine.”
Is C17 a billable or specific ICD-10-CM code?
No. C17 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.
Where is C17 located in ICD-10-CM?
C17 is listed in Chapter 2, Neoplasms (C00-D49), within Malignant neoplasms of digestive organs (C15-C26) (C15–C26), under category C17, Malignant neoplasm of small intestine.
What coding notes are listed for C17?
No inclusion terms are listed for C17 in this reference record. No code-first instruction is listed. Excludes1 notes: malignant carcinoid tumors of the small intestine (C7A.01). No Excludes2 note is listed.