ICD-11 code : 8D67;
Preferred Label : Intracranial arachnoid cyst;
ICD-11 definition : A fluid filled cavity within the arachnoid membrane which may be congenital or acquired.
Acquired causes include trauma, infection and surgery. The most common site is the
middle cranial fossa. Factors that influence whether the cyst causes symptoms include
its size and location. Symptoms if present may include headache, dizziness, nausea
and vomiting, seizures, developmental delay;
ICD-11 synonym : arachnoid cerebral cyst; arachnoid brain cyst;
Origin ID : 943887241;
Automatic exact mappings (from CISMeF team)
ICD-10 Mapping
A fluid filled cavity within the arachnoid membrane which may be congenital or acquired.
Acquired causes include trauma, infection and surgery. The most common site is the
middle cranial fossa. Factors that influence whether the cyst causes symptoms include
its size and location. Symptoms if present may include headache, dizziness, nausea
and vomiting, seizures, developmental delay