Benign neoplasm of hypopharynx

This code signifies the presence of a non-cancerous growth originating in the hypopharynx, the lowest part of the pharynx. These benign lesions are typically slow-growing and do not metastasize, but can cause symptoms due to their size or location.

Apply this code when documentation clearly indicates a benign neoplasm (e.g., papilloma, fibroma, adenoma) located specifically within the hypopharynx. This diagnosis is often confirmed by biopsy and histopathological examination.

• Ensure the documentation explicitly states "benign" and specifies the "hypopharynx" as the anatomical site.
• Do not use this code for malignant neoplasms; refer to the appropriate ICD-9-CM codes for hypopharyngeal malignancy.
• Distinguish carefully from benign neoplasms of other pharyngeal sites (e.g., nasopharynx, oropharynx).