C10
⚠ Non-billable
Malignant neoplasm of oropharynx
ICD-10-CM · FY2026 · Neoplasms
Code
C10
System
ICD-10-CM
Billable
No — use specific code
Effective
FY2026
Chapter
Neoplasms
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Official coding notes
From CMS's ICD-10-CM Tabular List.
Excludes2 — not included here, but may code together
- 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?
ICD-10-CM code C10 represents Malignant neoplasm of oropharynx. It is a non-billable header code requiring a more specific subcategory in the Neoplasms chapter, effective October 1, 2025 – September 30, 2026.
Is C10 billable?
No. C10 is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is C10 in?
C10 belongs to the Neoplasms chapter (C00–D49) of ICD-10-CM.
Related codes in the C10 category
C10.0
Malignant neoplasm of vallecula
Billable
C10.1
Malignant neoplasm of anterior surface of epiglottis
Billable
C10.2
Malignant neoplasm of lateral wall of oropharynx
Billable
C10.3
Malignant neoplasm of posterior wall of oropharynx
Billable
C10.4
Malignant neoplasm of branchial cleft
Billable
C10.8
Malignant neoplasm of overlapping sites of oropharynx
Billable
C10.9
Malignant neoplasm of oropharynx, unspecified
Billable
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