G23
Non-billableOther degenerative diseases of basal ganglia
Other degenerative diseases of basal ganglia
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
Excludes 2
Conditions not included here, but the patient may have both
- •certain conditions originating in the perinatal periodP04-P96
- •certain infectious and parasitic diseasesA00-B99
- •complications of pregnancy, childbirth and the puerperiumO9A)O00
- •congenital malformations, deformations, and chromosomal abnormalitiesQ00-Q99
- •endocrine, nutritional and metabolic diseasesE00-E88
- •injury, poisoning and certain other consequences of external causesS00-T88
- •neoplasmsC00-D49
- •symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classifiedR00-R94
- •multi-system degeneration of the autonomic nervous systemG90.3
Child Codes (6)
G23.0Hallervorden-Spatz disease
G23.1Progressive supranuclear ophthalmoplegia
G23.2Striatonigral degeneration
G23.3Hypomyelination with atrophy of basal ganglia and cerebellum
G23.8Other specified degenerative diseases of basal ganglia
G23.9Degenerative disease of basal ganglia, unspecified
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(1)
Frequently Asked Questions
What is the ICD-10 code for other degenerative diseases of basal ganglia?
The ICD-10-CM code for other degenerative diseases of basal ganglia is G23. The full clinical description is "Other degenerative diseases of basal ganglia". G23 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code G23 mean?
ICD-10-CM code G23 represents “Other degenerative diseases of basal ganglia”. It is classified under Chapter 6: Diseases of the Nervous System and is a non-billable header code. Use a more specific child code for billing purposes.
Is G23 a billable code?
No, G23 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 6 child codes under G23.
What chapter is G23 in?
G23 is in Chapter 6: Diseases of the Nervous System (codes G00-G99).
What are the subcategories under G23?
G23 has 6 child codes, including: G23.0 (Hallervorden-Spatz disease), G23.1 (Progressive supranuclear ophthalmoplegia), G23.2 (Striatonigral degeneration), G23.3 (Hypomyelination with atrophy of basal ganglia and cerebellum), and 2 more.
What are the UMLS CUIs for G23?
G23 is linked to 1 UMLS Concept Unique Identifier: C0029571. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does G23 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like other degenerative diseases of basal ganglia affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of G23?
G23 maps to the ICD-11 code: 8A00.1Y (Other specified atypical parkinsonism).
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.