G23.8 OTHER SPECIFIED DEGENERATIVE DISEASES OF BASAL GANGLIA

Code Information

  • Diagnosis Code: G23.8
  • Short Description: Other specified degenerative diseases of basal ganglia
  • Long Description: Other specified degenerative diseases of basal ganglia
  • Code Version: 2025 ICD-10-CM

The code G23.8 is VALID for claim submission

Code Classification

Synonyms

  • Aicardi Goutieres syndrome
  • Aicardi Goutieres syndrome type 1
  • Aicardi Goutieres syndrome type 2
  • Aicardi Goutieres syndrome type 3
  • Aicardi Goutieres syndrome type 4
  • Aicardi Goutieres syndrome type 5
  • Atypical pantothenate kinase associated neurodegeneration
  • Autosomal dominant late onset basal ganglia degeneration
  • Basal ganglia degeneration with calcification
  • Calcification of basal ganglia
  • Cerebral degeneration in childhood
  • Childhood-onset basal ganglia degeneration syndrome
  • Chorea due to metabolic disorder
  • Chorea due to neuroferritinopathy
  • Classical pantothenate kinase associated neurodegeneration
  • Dystonia due to familial basal ganglia calcifications
  • Fahr's syndrome
  • Juvenile paralysis agitans of Hunt
  • Neuroferritinopathy
  • Neurological disorder due to excess intake of micronutrients
  • Olivopontocerebellar atrophy with blindness
  • Olivopontocerebellar atrophy with slow eye movement
  • Olivopontocerebellar degeneration
  • Olivopontocerebellar degeneration
  • Olivopontocerebellar degeneration
  • Pallidal degeneration
  • Pallidal degeneration
  • Pallidal degeneration
  • Pallidoluysian degeneration
  • Pallidonigrospinal degeneration
  • Parkinsonism with calcification of basal ganglia
  • Pigmentary pallidal degeneration
  • Pigmentary pallidal degeneration
  • Spondyloenchondromatosis
  • Spondyloenchondromatosis with basal ganglia calcification
  • Sporadic olivopontocerebellar atrophy

References to Index of Diseases and Injuries

The code G23.8 has the following ICD-10-CM references to the Index of Diseases and Injuries

  • Inclusion Terms:
    • Calcification of basal ganglia

Crosswalk Information

ICD-10 Code ICD-9 Code ICD-9 Description
G23.8 Right Arrow 333.0 Degen basal ganglia NEC
This ICD-10 to ICD-9 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-10 Code ICD-10 Description
G23 Other degenerative diseases of basal ganglia
G23.0 Hallervorden-Spatz disease
G23.1 Progressive supranuclear ophthalmoplegia [Steele-Richardson-Olszewski]
G23.2 Striatonigral degeneration
G23.3 Hypomyelination with atrophy of the basal ganglia and cerebellum
G23.9 Degenerative disease of basal ganglia, unspecified
This page was last updated on: 10/1/2025
Previous Code
Next Code