C10 – Malignant neoplasm of oropharynx
ICD-10-CM 2027 diagnosis code · Malignant neoplasms of lip, oral cavity and pharynx
ICD-10-CM code
C10
- Code
C10(claims format:C10)- Description
- Malignant neoplasm of oropharynx
- Billable
- No – use a more specific code below
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 2. Neoplasms (C00-D49)
- Block
- C00-C14 Malignant neoplasms of lip, oral cavity and pharynx
Billable codes under C10
C10 is a header code and cannot be used on claims. Choose the most specific code:
- C10.0 – Malignant neoplasm of valleculaBillable
- C10.1 – Malignant neoplasm of anterior surface of epiglottisBillable
- C10.2 – Malignant neoplasm of lateral wall of oropharynxBillable
- C10.3 – Malignant neoplasm of posterior wall of oropharynxBillable
- C10.4 – Malignant neoplasm of branchial cleftBillable
- C10.8 – Malignant neoplasm of overlapping sites of oropharynxBillable
- C10.9 – Malignant neoplasm of oropharynx, unspecifiedBillable
Notes for C10
Excludes2 (not included here):
- malignant neoplasm of tonsil (C09.-)
Use additional code:
- 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)
Frequently asked questions
What is ICD-10 code C10?
C10 is the ICD-10-CM code for malignant neoplasm of oropharynx, in the block C00-C14 (Malignant neoplasms of lip, oral cavity and pharynx).
Is C10 a billable code?
No. C10 is a header code with more specific child codes; report one of the billable codes listed above.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.