C49.A ICD-10-CM Code: Gastrointestinal stromal tumor
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Official description
C49.AGastrointestinal stromal tumor
ICD-10-CM diagnosis code · United States clinical modification
Where C49.A sits
- 1
Chapter 2
Neoplasms (C00-D49)
- 2
Section
Malignant neoplasms of mesothelial and soft tissue (C45-C49)
- 3
Category C49
Malignant neoplasm of other connective and soft tissue
- 4
Code C49.A
Gastrointestinal stromal tumor
Codes under C49.A
C49.A is a non-billable category. Choose the child code that best matches the documented diagnosis.
C49.A0Gastrointestinal stromal tumor, unspecified siteC49.A1Gastrointestinal stromal tumor of esophagusC49.A2Gastrointestinal stromal tumor of stomachC49.A3Gastrointestinal stromal tumor of small intestineC49.A4Gastrointestinal stromal tumor of large intestineC49.A5Gastrointestinal stromal tumor of rectumC49.A9Gastrointestinal stromal tumor of other sitesNotes for this code
Inclusion terms
No inclusion terms are listed for C49.A.
Code first
No “code first” instruction is listed for C49.A.
Use additional code
No “use additional code” instruction is listed for C49.A.
Excludes1
Conditions that should not be reported together with this code.
No Excludes1 note is listed for C49.A.
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for C49.A.
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 C49.A mean?
C49.A is the FY 2027 U.S. ICD-10-CM code for “Gastrointestinal stromal tumor.”
Is C49.A a billable or specific ICD-10-CM code?
No. C49.A 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 C49.A located in ICD-10-CM?
C49.A is listed in Chapter 2, Neoplasms (C00-D49), within Malignant neoplasms of mesothelial and soft tissue (C45-C49) (C45–C49), under category C49, Malignant neoplasm of other connective and soft tissue.
What coding notes are listed for C49.A?
No inclusion terms are listed for C49.A in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.