G23.2
BillableStriatonigral degeneration
Striatonigral degeneration
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
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(37)
SNOMED CT
- SND - Striatonigral degeneration29618004
- Striatonigral atrophy29618004
- Striatonigral degeneration29618004
- Infantile bilateral striatal necrosis718174008
- Infantile striatonigral degeneration718174008
- Sporadic infantile bilateral striatal necrosis1010642001
- Familial IBSN (infantile bilateral striatal necrosis)1208478005
- Familial infantile bilateral striatal necrosis1208478005
- Familial infantile striatonigral degeneration1208478005
- Familial infantile striatonigral necrosis1208478005
UMLS
- Atrophies, StriatonigralC0270733
- Atrophy, StriatonigralC0270733
- Degeneration, StriatonigralC0270733
- SND - Striatonigral degenerationC0270733
- Striatonigral AtrophiesC0270733
- Striatonigral AtrophyC0270733
- Striatonigral DegenerationC0270733
- Striatonigral DegenerationsC0270733
- Striatonigral atrophyC0270733
- Striatonigral degenerationC0270733
- Striatonigral degeneration (disorder)C0270733
- striatonigral degenerationC0270733
Clinical Terms
- Familial infantile striatonigral necrosis
- Atrophies, Striatonigral
- Striatonigral Degenerations
- Familial infantile striatonigral degeneration
- Familial infantile bilateral striatal necrosis
- Familial IBSN (infantile bilateral striatal necrosis)
- SND - Striatonigral degeneration
- Striatonigral atrophy
- Striatonigral Atrophies
- Sporadic infantile bilateral striatal necrosis
- Infantile striatonigral degeneration
- Atrophy, Striatonigral
- Degeneration, Striatonigral
- Infantile bilateral striatal necrosis
- Striatonigral degeneration (disorder)
Frequently Asked Questions
What is the ICD-10 code for striatonigral degeneration?
The ICD-10-CM code for striatonigral degeneration is G23.2. The full clinical description is "Striatonigral degeneration". G23.2 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code G23.2 mean?
ICD-10-CM code G23.2 represents “Striatonigral degeneration”. 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 G23.2 a billable code?
Yes, G23.2 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is G23.2 in?
G23.2 is in Chapter 6: Diseases of the Nervous System (codes G00-G99).
What SNOMED CT codes does G23.2 map to?
G23.2 maps to 4 SNOMED CT concepts: 1208478005, 718174008, 29618004, 1010642001. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for G23.2?
G23.2 is linked to 1 UMLS Concept Unique Identifier: C0270733. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does G23.2 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like striatonigral degeneration 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 G23.2?
G23.2 maps to the ICD-11 code: 8D87.01 (Multiple system atrophy, 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.