C49.A — Gastrointestinal stromal tumor

Not billable

Is C49.A billable?

No — C49.A is a non-billable header code. C49.A groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 7 billable codes beneath C49.A.

Billable codes under this header

C49.A at a glance

Code	C49.A
Description	Gastrointestinal stromal tumor
Billable	No — header code
Code set	ICD-10-CM FY2027
Valid for encounters	October 1, 2026 – September 30, 2027

How is C49.A listed in the Alphabetic Index?

These are the routes through the Alphabetic Index that lead to C49.A. They show the wording a clinician may have documented, which often differs from the Tabular description.

Tumor › stromal › gastrointestinal

Excludes1 — never code together — inherited from C49

The conditions below can never be reported together with C49.A on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.

malignant neoplasm of cartilage (of):
articular (C40-C41)
larynx (C32.3)
nose (C30.0)
malignant neoplasm of connective tissue of breast (C50.-)

Excludes2 — not included here — inherited from C49

The conditions below are not part of C49.A, but a patient may have both at the same time. When documentation supports it, C49.A and the excluded code may both be reported.

Kaposi's sarcoma of soft tissue (C46.1)
malignant neoplasm of heart (C38.0)
malignant neoplasm of peripheral nerves and autonomic nervous system (C47.-)
malignant neoplasm of peritoneum (C48.2)
malignant neoplasm of retroperitoneum (C48.0)
malignant neoplasm of uterine ligament (C57.3)
mesothelioma (C45.-)

What codes fall under C49.A? (7)

How long has C49.A existed?

C49.A first appears in FY2018 (FY2017 is not available, so it may have appeared then).

Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.