C13 — Malignant neoplasm of hypopharynx
Not billable
Is C13 billable?
No — C13 is a non-billable header code. C13 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 5 billable codes beneath C13.
Billable codes under this header
C13 at a glance
| Code | C13 |
|---|---|
| Description | Malignant neoplasm of hypopharynx |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Use additional code
Report an additional code alongside C13 to fully describe the condition. C13 is sequenced first.
Excludes2 — not included here
The conditions below are not part of C13, but a patient may have both at the same time. When documentation supports it, C13 and the excluded code may both be reported.
- malignant neoplasm of pyriform sinus (C12)
What codes fall under C13? (5)
How long has C13 existed?
C13 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.