C26 — Malignant neoplasm of other and ill-defined digestive organs
Is C26 billable?
No — C26 is a non-billable header code. C26 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 3 billable codes beneath C26.
C26 at a glance
| Code | C26 |
|---|---|
| Description | Malignant neoplasm of other and ill-defined digestive organs |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Excludes1 — never code together
The conditions below can never be reported together with C26 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 peritoneum and retroperitoneum (C48.-)
Excludes1 — never code together — inherited from C15-C26
The conditions below can never be reported together with C26 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
- Kaposi's sarcoma of gastrointestinal sites (C46.4)
Excludes2 — not included here — inherited from C15-C26
The conditions below are not part of C26, but a patient may have both at the same time. When documentation supports it, C26 and the excluded code may both be reported.
- gastrointestinal stromal tumors (C49.A-)
What codes fall under C26? (3)
How long has C26 existed?
C26 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.