ICD-9-CM

Excludes:

carcinoma in situ (230.0)

148 Malignant neoplasm of hypopharynx
148.0: Postcricoid region
148.1: Pyriform sinus Pyriform fossa
148.2: Aryepiglottic fold, hypopharyngeal aspect Aryepiglottic fold or interarytenoid fold: NOS marginal zone Excludes: aryepiglottic fold or interarytenoid fold, laryngeal aspect (161.1)
148.3: Posterior hypopharyngeal wall
148.8: Other specified sites of hypopharynx Malignant neoplasm of contiguous or overlapping sites of hypopharynx whose point of origin cannot be determined
148.9: Hypopharynx, unspecified Hypopharyngeal wall NOS Hypopharynx NOS

148 Malignant neoplasm of hypopharynx

Pyriform fossa

Aryepiglottic fold or interarytenoid fold:

NOS

marginal zone

Excludes:

aryepiglottic fold or interarytenoid fold, laryngeal aspect (161.1)

Malignant neoplasm of contiguous or overlapping sites of hypopharynx whose point of origin cannot be determined

Hypopharyngeal wall NOS

Hypopharynx NOS

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