C49.AHeader code — not billable
Gastrointestinal stromal tumor
- Chapter
- 2. Neoplasms
- Category
- C49
- Effective date
- October 1, 2026
Related codes in category C49
C49Malignant neoplasm of other connective and soft tissueC49.0Malig neoplm of conn and soft tissue of head, face and neckYesC49.1Malig neoplm of conn and soft tiss of upper limb, inc shldrC49.10Malig neoplm of conn & soft tiss of unsp upr lmb, inc shldrYesC49.11Malig neoplm of conn and soft tiss of r upr limb, inc shldrYesC49.12Malig neoplm of conn and soft tiss of l upr limb, inc shldrYesC49.2Malig neoplm of conn and soft tissue of lower limb, inc hipC49.20Malig neoplm of conn and soft tiss of unsp low limb, inc hipYesC49.21Malig neoplm of conn and soft tiss of r low limb, inc hipYesC49.22Malig neoplm of conn and soft tiss of left low limb, inc hipYesC49.3Malignant neoplasm of connective and soft tissue of thoraxYesC49.4Malignant neoplasm of connective and soft tissue of abdomenYes
Frequently asked questions
What is ICD-10 code C49.A?
C49.A is an ICD-10-CM diagnosis code for Gastrointestinal stromal tumor.
Is C49.A a billable code?
No. C49.A is a category/header code, not billable on its own — use one of its more specific child codes instead.
What ICD-10-CM chapter is C49.A in?
C49.A falls under Chapter 2: Neoplasms.
When did C49.A become effective?
C49.A has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to C49.A?
C49.A belongs to category C49, which includes 12 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.