G23.8
BillableOther specified degenerative diseases of basal ganglia
Other specified degenerative diseases of basal ganglia
Coding Notes
Inclusion Terms
Alternative clinical terms for this condition
- Calcification of basal ganglia
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
Related Codes(5)
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(127)
SNOMED CT
- Cerebral degeneration in childhood2584003
- Hallervorden-Spatz disease2992000
- Pigmentary pallidal atrophy2992000
- Pigmentary pallidal degeneration2992000
- Pallidoluysian atrophy19091006
- Pallidoluysian degeneration19091006
- Pallidoluysionigral atrophy19091006
- Juvenile paralysis agitans of Hunt43647007
- Neostriatal syndrome43647007
- Paleostriatal syndrome43647007
- Pallidal atrophy43647007
- Pallidal syndrome43647007
- Dejerine-Thomas syndrome67761004
- Déjérine-Thomas syndrome67761004
- OPCA - Olivopontocerebellar atrophy67761004
- Olivocerebellar atrophy67761004
- Olivopontocerebellar atrophy67761004
- Olivopontocerebellar degeneration67761004
- Thomas' syndrome67761004
- Pallidonigrospinal degeneration89576007
- Cerebral symmetric calcification110997000
- Cerebrovascular ferrocalcinosis110997000
- Fahr disease110997000
- Fahr syndrome110997000
- Fahr's syndrome110997000
- Idiopathic nonarteriosclerotic cerebrovascular calcification110997000
- Olivopontocerebellar atrophy with slow eye movement230235007
- Olivopontocerebellar atrophy with blindness230236008
- Parkinsonism with calcification of basal ganglia230295005
- Pallidal degeneration230302004
- Basal ganglia degeneration with calcification230311004
- Aicardi Goutieres syndrome230312006
- Autosomal dominant late onset basal ganglia degeneration230313001
- Spondyloenchondromatosis389268008
- Spondyloenchondromatosis with basal ganglia calcification389271000
- Sporadic olivopontocerebellar atrophy444980006
- Adult onset basal ganglia disease699299001
- Ferritin related neurodegeneration699299001
- Neuroferritinopathy699299001
- Neurological disorder due to excess intake of micronutrients724566007
- Childhood-onset basal ganglia degeneration syndrome1172584005
- Lenk Ploski syndrome1172584005
- Atypical pantothenate kinase associated neurodegeneration1186856001
- Classical pantothenate kinase associated neurodegeneration1186861004
- Aicardi Goutieres syndrome type 11187045009
- Aicardi Goutieres syndrome type 21187046005
- Aicardi Goutieres syndrome type 31187047001
- Aicardi Goutieres syndrome type 41187048006
- Aicardi Goutieres syndrome type 51187049003
- Chorea due to neuroferritinopathy1259605002
- Chorea due to metabolic disorder1259619002
- Dystonia due to Fahr syndrome1260341003
- Dystonia due to familial basal ganglia calcifications1260341003
- Calcification of basal ganglia16818591000119108
UMLS
- Basal ganglia calcificationC1389280
- Basal ganglia calcificationsC1389280
- Basal ganglion calcificationC1389280
- Basal ganglion calcificationsC1389280
- Calcification in the basal gangliaC1389280
- Calcification of basal gangliaC1389280
- Calcification of basal ganglia (disorder)C1389280
- Calcification of the basal gangliaC1389280
- Calcifications in the basal gangliaC1389280
- Other Specified Degenerative Diseases of Basal GangliaC0477359
- Other specified degenerative diseases of basal gangliaC0477359
Clinical Terms
- Pallidal degeneration
- Fahr's syndrome
- Pallidoluysian atrophy
- Basal ganglia calcification
- Aicardi Goutieres syndrome type 3
- Fahr disease
- Calcification of basal ganglia
- OPCA - Olivopontocerebellar atrophy
- Dejerine-Thomas syndrome
- Aicardi Goutieres syndrome type 5
- Thomas' syndrome
- Calcifications in the basal ganglia
- Autosomal dominant late onset basal ganglia degeneration
- Fahr syndrome
- Pallidal atrophy
- Neostriatal syndrome
- Olivopontocerebellar atrophy with slow eye movement
- Hallervorden-Spatz disease
- Pallidoluysian degeneration
- Pigmentary pallidal degeneration
- Parkinsonism with calcification of basal ganglia
- Calcification of basal ganglia (disorder)
- Olivopontocerebellar atrophy
- Basal ganglia calcifications
- Paleostriatal syndrome
- Spondyloenchondromatosis with basal ganglia calcification
- Idiopathic nonarteriosclerotic cerebrovascular calcification
- Lenk Ploski syndrome
- Pallidonigrospinal degeneration
- Atypical pantothenate kinase associated neurodegeneration
- Dystonia due to familial basal ganglia calcifications
- Pallidoluysionigral atrophy
- Aicardi Goutieres syndrome
- Calcification in the basal ganglia
- Calcification of the basal ganglia
- Adult onset basal ganglia disease
- Classical pantothenate kinase associated neurodegeneration
- Chorea due to metabolic disorder
- Spondyloenchondromatosis
- Sporadic olivopontocerebellar atrophy
- Basal ganglion calcification
- Pigmentary pallidal atrophy
- Neurological disorder due to excess intake of micronutrients
- Basal ganglia degeneration with calcification
- Olivopontocerebellar degeneration
- Aicardi Goutieres syndrome type 1
- Olivopontocerebellar atrophy with blindness
- Cerebrovascular ferrocalcinosis
- Aicardi Goutieres syndrome type 2
- Chorea due to neuroferritinopathy
- Cerebral degeneration in childhood
- Cerebral symmetric calcification
- Déjérine-Thomas syndrome
- Pallidal syndrome
- Basal ganglion calcifications
- Ferritin related neurodegeneration
- Aicardi Goutieres syndrome type 4
- Childhood-onset basal ganglia degeneration syndrome
- Neuroferritinopathy
- Olivocerebellar atrophy
- Dystonia due to Fahr syndrome
- Juvenile paralysis agitans of Hunt
Frequently Asked Questions
What is the ICD-10 code for other specified degenerative diseases of basal ganglia?
The ICD-10-CM code for other specified degenerative diseases of basal ganglia is G23.8. The full clinical description is "Other specified degenerative diseases of basal ganglia". G23.8 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code G23.8 mean?
ICD-10-CM code G23.8 represents “Other specified degenerative diseases of basal ganglia”. It is classified under Chapter 6: Diseases of the Nervous System and is a billable/specific code that can be used on a claim.
Is G23.8 a billable code?
Yes, G23.8 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is G23.8 in?
G23.8 is in Chapter 6: Diseases of the Nervous System (codes G00-G99).
What SNOMED CT codes does G23.8 map to?
G23.8 maps to 31 SNOMED CT concepts: 699299001, 230312006, 1187045009, 1187046005, 1187047001, and 26 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for G23.8?
G23.8 is linked to 2 UMLS Concept Unique Identifiers: C1389280, C0477359. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does G23.8 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like other specified 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 G23.8?
G23.8 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.