C11.1

Posterior wall of nasopharynx

Coding guidance (WHO 2019)

Adenoid Pharyngeal tonsil

Sibling codes

C11Malignant neoplasm of nasopharynx C11.0Superior wall of nasopharynx C11.2Lateral wall of nasopharynx C11.3Anterior wall of nasopharynx C11.8Overlapping lesion of nasopharynx C11.9Nasopharynx, unspecified