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Malignant neoplasms of lip, oral cavity or pharynx

International Classification of Diseases for Mortality and Morbidity Statistics, 11th Revision, v2024-01

Squamous cell carcinomas amount to more than 90% of malignant tumours of the oral cavity and oropharynx. As in other parts of the upper aerodigestive tract, there is a strong and synergistic association with tobacco smoking and alcohol abuse. In some regions, particularly the Indian subcontinent, oral cancer is among the most frequent malignancies, largely due to tobacco chewing.

exclusions

• Malignant mesenchymal neoplasms  (2B50-2B5Z)

sections/codes in this section (2B60-2B6Y)

• Malignant neoplasms of lip  (2B60)
• Malignant neoplasms of base of tongue  (2B61)
• Malignant neoplasms of other or unspecified parts of tongue  (2B62)
• Malignant neoplasms of gum  (2B63)
• Malignant neoplasms of floor of mouth  (2B64)
• Malignant neoplasms of palate  (2B65)
• Malignant neoplasms of other or unspecified parts of mouth  (2B66)
• Malignant neoplasms of parotid gland  (2B67)
• Malignant neoplasms of submandibular or sublingual glands  (2B68)
• Malignant neoplasms of tonsil  (2B69)
• Malignant neoplasms of oropharynx  (2B6A)
• Malignant neoplasms of nasopharynx  (2B6B)
• Malignant neoplasms of piriform sinus  (2B6C)
• Malignant neoplasms of hypopharynx  (2B6D)
• Malignant neoplasms of other or ill-defined sites in the lip, oral cavity or pharynx  (2B6E)
• Other specified malignant neoplasms of lip, oral cavity or pharynx  (2B6Y)

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