G31.85
BillableCorticobasal degeneration
Corticobasal 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
- •Reye's syndromeG93.7
Use Additional Code
Additional codes that should follow this code
- •code, if applicable, for codes , , to identify:G31.0-G31.83, G31.85-G31.9
- •dementia with anxiety, A4, B4, C4)F02.84, F02, F02, F02
- •dementia with behavioral disturbance, A1-, B1-, C1-)F02.81, F02, F02, F02
- •dementia with mood disturbance, A3, B3, C3)F02.83, F02, F02, F02
- •dementia with psychotic disturbance, A2, B2, C2)F02.82, F02, F02, F02
- •dementia without behavioral disturbance, A0, B0, C0)F02.80, F02, F02, F02
- •mild neurocognitive disorder due to known physiological conditionF06.7
Related Codes(7)
G31.80Leukodystrophy, unspecified
G31.81Alpers disease
G31.82Leigh's disease
G31.83Neurocognitive disorder with Lewy bodies
G31.84Mild cognitive impairment of uncertain or unknown etiology
G31.86Alexander disease
G31.89Other specified degenerative diseases of nervous system
Also Known As / Clinical Terms(26)
SNOMED CT
UMLS
- Cortical Basal Ganglionic DegenerationC0393570
- Cortical basal ganglionic degenerationC0393570
- Cortico basal DegenerationC0393570
- Cortico basal Ganglionic DegenerationC0393570
- Cortico-basal DegenerationC0393570
- Cortico-basal Ganglionic DegenerationC0393570
- Corticobasal DegenerationC0393570
- Corticobasal SyndromeC0393570
- Corticobasal degenerationC0393570
- Corticobasal degeneration (disorder)C0393570
- Corticodentatonigral degeneration with neuronal achromasiaC0393570
- corticobasal degenerationC0393570
- degeneration corticobasalC0393570
Clinical Terms
- Cortico basal Degeneration
- Corticodentatonigral degeneration with neuronal achromasia
- Corticobasal syndrome
- Cortico basal Ganglionic Degeneration
- Cortico-basal Degeneration
- Corticobasal degeneration (disorder)
- degeneration corticobasal
- Cortical basal ganglionic degeneration
- Cortico-basal Ganglionic Degeneration
Frequently Asked Questions
What is the ICD-10 code for corticobasal degeneration?
The ICD-10-CM code for corticobasal degeneration is G31.85. The full clinical description is "Corticobasal degeneration". G31.85 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code G31.85 mean?
ICD-10-CM code G31.85 represents “Corticobasal 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 G31.85 a billable code?
Yes, G31.85 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is G31.85 in?
G31.85 is in Chapter 6: Diseases of the Nervous System (codes G00-G99).
Are additional codes required with G31.85?
Yes, when using G31.85, also report: code, if applicable, for codes G31.0-G31.83, G31.85-G31.9, to identify:; dementia with anxiety (F02.84, F02.A4, F02.B4, F02.C4); dementia with behavioral disturbance (F02.81-, F02.A1-, F02.B1-, F02.C1-); dementia with mood disturbance (F02.83, F02.A3, F02.B3, F02.C3); dementia with psychotic disturbance (F02.82, F02.A2, F02.B2, F02.C2); dementia without behavioral disturbance (F02.80, F02.A0, F02.B0, F02.C0); mild neurocognitive disorder due to known physiological condition (F06.7-).
What SNOMED CT codes does G31.85 map to?
G31.85 maps to 2 SNOMED CT concepts: 18842008, 1230018005. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for G31.85?
G31.85 is linked to 1 UMLS Concept Unique Identifier: C0393570. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does G31.85 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like corticobasal 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 G31.85?
There is no direct ICD-11 mapping available for G31.85 in the WHO crosswalk tables. This may mean the concept is classified differently in ICD-11. Use the ICD-10 to ICD-11 converter to search for related codes.
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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.