C11: Malignant neoplasm of nasopharynx

Codes under C11 (Malignant neoplasm of nasopharynx). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.

Code	Description	Billable
C11.0	Malignant neoplasm of superior wall of nasopharynx	✓
C11.1	Malignant neoplasm of posterior wall of nasopharynx	✓
C11.2	Malignant neoplasm of lateral wall of nasopharynx	✓
C11.3	Malignant neoplasm of anterior wall of nasopharynx	✓
C11.8	Malignant neoplasm of overlapping sites of nasopharynx	✓
C11.9	Malignant neoplasm of nasopharynx, unspecified	✓

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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.

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