ICD-10-CM · Chapter 2

C11..1 Malignant neoplasm of posterior wall of nasopharynx

Billable

← C11 — Malignant neoplasm of nasopharynx Chapter 2: C00-D49

Includes

Malignant neoplasm of adenoid
Malignant neoplasm of pharyngeal tonsil

Last reviewed: September 2026