8E02 Genetic prion diseases

International Classification of Diseases for Mortality and Morbidity Statistics, 11th Revision, v2025-01

Genetic prion disease generally manifests with cognitive difficulties, ataxia, and myoclonus (abrupt jerking movements of muscle groups and/or entire limbs). The order of appearance and/or predominance of these features and other associated neurologic and psychiatric findings vary. The three major phenotypes of genetic prion disease are genetic Creutzfeldt-Jakob disease (gCJD), fatal familial insomnia (FFI), and Gerstmann-Sträussler-Scheinker (GSS) syndrome. Although these phenotypes display overlapping clinical and pathologic features, recognition of these phenotypes can be useful when providing affected individuals and their families with information about the expected clinical course.

sections/codes in this section ()

• Genetic Creutzfeldt-Jakob disease  (8E02.0)
• Gerstmann-Straussler-Scheinker syndrome  (8E02.1)
• Fatal familial insomnia  (8E02.2)
• Other genetic prion diseases  (8E02.3)
• Other specified Creutzfeldt-Jakob disease  (8E02.Y)
• Creutzfeldt-Jakob disease, unspecified  (8E02.Z)

postcoordination

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