Is C10.3 a billable ICD-10 code?

Yes. C10.3 (Malignant neoplasm of posterior wall of oropharynx) is billable and can be used for insurance claims. Always verify payer-specific requirements.

C10.3 ✓ Billable

Malignant neoplasm of posterior wall of oropharynx

Q: What is ICD-10 code C10.3?

ICD-10-CM code C10.3 stands for "Malignant neoplasm of posterior wall of oropharynx". It is a billable code in the Neoplasms chapter, effective FY2026 (Oct 1, 2025 – Sep 30, 2026).

ICD-10-CM · FY2026 · Neoplasms

Code

C10.3

System

ICD-10-CM

Billable

Yes — valid for submission

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.

Frequently asked questions

What is ICD-10 code C10.3?

ICD-10-CM code C10.3 represents Malignant neoplasm of posterior wall of oropharynx. It is a billable diagnosis code in the Neoplasms chapter, effective October 1, 2025 – September 30, 2026.

Is C10.3 billable?

Yes. C10.3 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.

What chapter is C10.3 in?

C10.3 belongs to the Neoplasms chapter (C00–D49) of ICD-10-CM.

Related codes in the C10 category

C10 Malignant neoplasm of oropharynx Non-billable 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 C10.4 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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