Primary dystonia

Definition

Primary dystonias (primary torsion dystonias) are disorders where dystonia is the sole neurological manifestation. These disorders are slowly progressive and may be familial/genetic or sporadic in origin.

3 subordinate codes

• 8A02.00Benign essential blepharospasm
• 4B4YOther specified diseases of the immune system
• 4B4ZDiseases of the immune system, unspecified

Nearby in Dystonic disorders

• 8A02.1Secondary dystonia
• 8A02.2Paroxysmal dystonia
• 8A02.3Functional dystonia or spasms
• 4B4YOther specified diseases of the immune system
• 4B4ZDiseases of the immune system, unspecified