MALIGNANT NEOPLASM OF RESPIRATORY AND INTRATHORACIC ORGANS (160-165)

• Excludes: carcinoma in situ (231.0-231.9)
• 160 Malignant neoplasm of nasal cavities, middle ear, and accessory sinuses
  • 160.0 Nasal cavities
    • Cartilage of nose
    • Conchae, nasal
    • Internal nose
    • Septum of nose
    • Vestibule of nose
    • Excludes: nasal bone (170.0)
      • nose NOS (195.0)
      • olfactory bulb (192.0)
      • posterior margin of septum and choanae (147.3)
      • skin of nose (172.3, 173.3)
      • turbinates (170.0)
  • 160.1 Auditory tube, middle ear, and mastoid air cells
    • Antrum tympanicum
    • Eustachian tube
    • Tympanic cavity
    • Excludes: auditory canal (external) (172.2, 173.2)
      • bone of ear (meatus) (170.0)
      • cartilage of ear (171.0)
      • ear (external) (skin) (172.2, 173.2)
  • 160.2 Maxillary sinus
    • Antrum (Highmore) (maxillary)
  • 160.3 Ethmoidal sinus
  • 160.4 Frontal sinus
  • 160.5 Sphenoidal sinus
  • 160.8 Other
    • Malignant neoplasm of contiguous or overlapping sites of nasal cavities, middle ear, and accessory sinuses whose point of origin cannot be determined
  • 160.9 Accessory sinus, unspecified
• 161 Malignant neoplasm of larynx
  • 161.0 Glottis
    • Intrinsic larynx
    • Laryngeal commissure (anterior) (posterior)
    • True vocal cord
    • Vocal cord NOS
  • 161.1 Supraglottis
    • Aryepiglottic fold or interarytenoid fold, laryngeal aspect
    • Epiglottis (suprahyoid portion) NOS
    • Extrinsic larynx
    • False vocal cords
    • Posterior (laryngeal) surface of epiglottis
    • Ventricular bands
    • Excludes: anterior aspect of epiglottis (146.4)
      • aryepiglottic fold or interarytenoid fold:
        • NOS (148.2)
        • hypopharyngeal aspect (148.2)
        • marginal zone (148.2)
  • 161.2 Subglottis
  • 161.3 Laryngeal cartilages
    • Cartilage:
      • arytenoid
      • cricoid
      • cuneiform
      • thyroid
  • 161.8 Other specified sites of larynx
    • Malignant neoplasm of contiguous or overlapping sites of larynx whose point of origin cannot be determined
  • 161.9 Larynx, unspecified
• 162 Malignant neoplasm of trachea, bronchus, and lung
  • 162.0 Trachea
    • Cartilage of trachea
    • Mucosa of trachea
  • 162.2 Main bronchus
    • Carina
    • Hilus of lung
  • 162.3 Upper lobe, bronchus or lung
  • 162.4 Middle lobe, bronchus or lung
  • 162.5 Lower lobe, bronchus or lung
  • 162.8 Other parts of bronchus or lung
    • Malignant neoplasm of contiguous or overlapping sites of bronchus or lung whose point of origin cannot be determined
  • 162.9 Bronchus and lung, unspecified
• 163 Malignant neoplasm of pleura
  • 163.0 Parietal pleura
  • 163.1 Visceral pleura
  • 163.8 Other specified sites of pleura
    • Malignant neoplasm of contiguous or overlapping sites of pleura whose point of origin cannot be determined
  • 163.9 Pleura, unspecified
• 164 Malignant neoplasm of thymus, heart, and mediastinum
  • 164.0 Thymus
  • 164.1 Heart
    • Endocardium
    • Epicardium
    • Myocardium
    • Pericardium
    • Excludes: great vessels (171.4)
  • 164.2 Anterior mediastinum
  • 164.3 Posterior mediastinum
  • 164.8 Other
    • Malignant neoplasm of contiguous or overlapping sites of thymus, heart, and mediastinum whose point of origin cannot be determined
  • 164.9 Mediastinum, part unspecified
• 165 Malignant neoplasm of other and ill-defined sites within the respiratory system and intrathoracic organs
  • 165.0 Upper respiratory tract, part unspecified
  • 165.8 Other
    • Malignant neoplasm of respiratory and intrathoracic organs whose point of origin cannot be assigned to any one of the categories 160-164
  • 165.9 Ill-defined sites within the respiratory system
    • Respiratory tract NOS
    • Excludes: intrathoracic NOS (195.1)
      • thoracic NOS (195.1)