ICD-11 classes
12 Diseases of the respiratory system
Upper respiratory tract disorders

ICD-11 Upper respiratory tract disorders

This group of disorders refers to diseases of the upper airways (upper respiratory tract). The upper airways anatomically are complicated structures which extend from the airway openings at the nares and lips to the trachea. The term upper airways includes several anatomically distinct regions. The nose constitutes the upper segment, followed by the nasopharyngeal and oropharyngeal airways, which extend from the nasal choanae and oral cavity to the supraglottic space. The paranasal sinuses drain into the nasal cavities and are attached to the lateral, posterior, and superior aspects of the nose. The larynx divides the upper and lower airways, although some place it in the thoracic inlet.

The diagnosis includes nothing.

It excludes 1 item.

  • Chronic obstructive pulmonary disease with acute exacerbation, unspecified (CA22.0)

Diagnosis contains 22 clarifying diagnoses:

  1. CA00 — Acute nasopharyngitis
  2. CA01 — Acute sinusitis
  3. CA02 — Acute pharyngitis
    It contains 5 clarifying diagnoses.
  4. CA03 — Acute tonsillitis
    It contains 3 clarifying diagnoses.
  5. CA04 — Acute laryngopharyngitis
  6. CA05 — Acute laryngitis or tracheitis
    It contains 3 clarifying diagnoses.
  7. CA06 — Acute obstructive laryngitis or epiglottitis
    It contains 3 clarifying diagnoses.
  8. CA07 — Acute upper respiratory infections of multiple and unspecified sites
    It contains 2 clarifying diagnoses.
  9. CA08 — Vasomotor or allergic rhinitis
    It contains 6 clarifying diagnoses.
  10. CA09 — Chronic rhinitis, nasopharyngitis or pharyngitis
    It contains 3 clarifying diagnoses.
  11. CA0A — Chronic rhinosinusitis
    It contains 3 clarifying diagnoses.
  12. CA0B — Silent sinus syndrome
  13. CA0C — Cyst or mucocele of nose or nasal sinus
  14. CA0D — Deviated nasal septum
  15. CA0E — Hypertrophy of nasal turbinates
  16. CA0F — Chronic diseases of tonsils or adenoids
    It contains 5 clarifying diagnoses.
  17. CA0G — Chronic laryngitis or laryngotracheitis
  18. CA0H — Diseases of vocal cords or larynx, not elsewhere classified
    It contains 8 clarifying diagnoses.
  19. CA0J — Nasal polyp
    It contains 3 clarifying diagnoses.
  20. CA0K — Abscess of upper respiratory tract
    It contains 4 clarifying diagnoses.
  21. CA0Y — Other specified upper respiratory tract disorders
  22. CA0Z — Upper respiratory tract disorders, unspecified

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