CA0B

ICD-11 MMS 2026-01

Silent sinus syndrome

Description

Silent sinus syndrome is a spontaneous, asymptomatic collapse of the maxillary sinus and orbital floor associated with negative sinus pressures.

Index terms

  • Silent sinus syndrome
  • Imploding antrum syndrome
  • chronic maxillary sinus atelectasis

Exclusions from above levels

  • CA22.0 – Chronic obstructive pulmonary disease with acute exacerbation, unspecified
  • 01 – Certain infectious or parasitic diseases
  • 05 – Endocrine, nutritional or metabolic diseases
Show allHide
  • 18 – Complications of pregnancy, childbirth and the puerperium
  • 19 – Certain conditions originating in the perinatal period
  • 20 – Congenital malformations, deformations and chromosomal abnormalities
  • 22 – Injury, poisoning or certain other consequences of external causes

Sibling codes

  • CA00 – Acute nasopharyngitis
  • CA01 – Acute sinusitis
  • CA02 – Acute pharyngitis
  • CA03 – Acute tonsillitis
  • CA04 – Acute laryngopharyngitis
  • CA05 – Acute laryngitis or tracheitis
  • CA06 – Acute obstructive laryngitis or epiglottitis
  • CA07 – Acute upper respiratory infections of multiple and unspecified sites
  • CA08 – Vasomotor or allergic rhinitis
  • CA09 – Chronic rhinitis, nasopharyngitis or pharyngitis
  • CA0A – Chronic rhinosinusitis
  • CA0C – Cyst or mucocele of nose or nasal sinus
  • CA0D – Deviated nasal septum
  • CA0E – Hypertrophy of nasal turbinates
  • CA0F – Chronic diseases of tonsils or adenoids
  • CA0G – Chronic laryngitis or laryngotracheitis
  • CA0H – Diseases of vocal cords or larynx, not elsewhere classified
  • CA0J – Nasal polyp
  • CA0K – Abscess of upper respiratory tract
  • CA0Y – Other specified upper respiratory tract disorders
  • CA0Z – Upper respiratory tract disorders, unspecified

Foundation entity

Silent sinus syndrome – http://id.who.int/icd/entity/1204931989

Part of: 12: Diseases of the respiratory system