Malignant neoplasm of adenoid
Malignant neoplasm of pharyngeal tonsil
Cancer of the nasopharynx, posterior wall
Primary malignant neoplasm of posterior wall of nasopharynx
Primary squamous cell carcinoma of posterior wall of nasopharynx
Primary undifferentiated carcinoma of posterior wall of nasopharynx
Squamous cell carcinoma, posterior wall of nasopharynx
Undifferentiated carcinoma, posterior wall of nasophar
C11.1 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
The 2023 edition of ICD-10-CM C11.1 became effective on October 1, 2022.
This is the American ICD-10-CM version of C11.1 – other international versions of ICD-10 C11.1 may differ.