C10
ICD-10Non-billable categoryMalignant neoplasm of oropharynx
Official ICD-10-CM descriptor (FY2026)
Malignant neoplasm of oropharynx
C10 is a category heading, not a billable code. CMS does not accept it on a claim; report one of the more specific codes beneath it.
Excludes2
Not included here. The condition is not part of this code, but a patient may have both, and both codes may be reported together.
- malignant neoplasm of tonsil (C09.-)
Use additional code
Report an additional code to identify the associated condition.
- code to identify:
- alcohol abuse and dependence (F10.-)
- exposure to environmental tobacco smoke (Z77.22)
- exposure to tobacco smoke in the perinatal period (P96.81)
- history of tobacco dependence (Z87.891)
- occupational exposure to environmental tobacco smoke (Z57.31)
- tobacco dependence (F17.-)
- tobacco use (Z72.0)
More specific codes under C10
- C10.0Malignant neoplasm of vallecula
- C10.1Malignant neoplasm of anterior surface of epiglottis
- C10.2Malignant neoplasm of lateral wall of oropharynx
- C10.3Malignant neoplasm of posterior wall of oropharynx
- C10.4Malignant neoplasm of branchial cleft
- C10.8Malignant neoplasm of overlapping sites of oropharynx
- C10.9Malignant neoplasm of oropharynx, unspecified
Where this code sits
- Chapter
- 2. Neoplasms (C00-D49)
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ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.