ICD-10-CM · Billable Code

C11.1 — Malignant neoplasm of posterior wall of nasopharynx

Chapter C00-D49: Neoplasms

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Related diagnoses

C11.0Malignant neoplasm of superior wall of nasopharynxC11.2Malignant neoplasm of lateral wall of nasopharynxC11.3Malignant neoplasm of anterior wall of nasopharynxC11.8Malignant neoplasm of overlapping sites of nasopharynxC11.9Malignant neoplasm of nasopharynx, unspecified

Source: ICD-10-CM 2025 (Centers for Medicare & Medicaid Services, public domain). Codes valid from October 1, 2024. CMS source ↗