G98
Non-billableOther disorders of nervous system not elsewhere classified
Other disorders of nervous system not elsewhere classified
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
Includes
Conditions included under this code
- nervous system disorder NOS
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
Child Codes (2)
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(48)
UMLS
- Disease, Nervous SystemC0027765
- Diseases of the nervous system (G00-G99)C0027765
- Diseases, Nervous SystemC0027765
- Disorder nervous systemC0027765
- Disorder of nervous systemC0027765
- Disorder of nervous system (disorder)C0027765
- Disorder, Nervous SystemC0027765
- Disorder, NeurologicC0027765
- Disorder, NeurologicalC0027765
- Disorders, Nervous SystemC0027765
- Disorders, NeurologicC0027765
- Disorders, NeurologicalC0027765
- NERVOUS SYSTEM DISC0027765
- NEUROLOG DISC0027765
- NEUROLOGICAL DISC0027765
- NervC0027765
- Nerve DiseasesC0027765
- Nervous System DiseaseC0027765
- Nervous System DiseasesC0027765
- Nervous System DisorderC0027765
- Nervous System DisordersC0027765
- Nervous system diseaseC0027765
- Nervous system diseasesC0027765
- Nervous system disorderC0027765
- Nervous system disorder NOSC0027765
- Nervous system disordersC0027765
- Neurologic DiseasesC0027765
- Neurologic DisorderC0027765
- Neurologic DisordersC0027765
- Neurologic disorder NOSC0027765
- Neurological DisorderC0027765
- Neurological DisordersC0027765
- Neurological disorderC0027765
- Neurological disorder NOSC0027765
- diseases of the nervous systemC0027765
- disorders nervous systemsC0027765
- disorders of the nervous systemC0027765
- nervous system diseaseC0027765
- nervous system diseasesC0027765
- nervous system disorderC0027765
- nervous system disorder NOSC0027765
- nervous system disordersC0027765
- neurologic disorderC0027765
- neurologic disordersC0027765
- neurological diseaseC0027765
- neurological disorderC0027765
- neurological disordersC0027765
- Other disorders of nervous system not elsewhere classifiedC0869054
Frequently Asked Questions
What is the ICD-10 code for other disorders of nervous system not elsewhere classified?
The ICD-10-CM code for other disorders of nervous system not elsewhere classified is G98. The full clinical description is "Other disorders of nervous system not elsewhere classified". G98 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code G98 mean?
ICD-10-CM code G98 represents “Other disorders of nervous system not elsewhere classified”. 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 G98 a billable code?
No, G98 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 2 child codes under G98.
What chapter is G98 in?
G98 is in Chapter 6: Diseases of the Nervous System (codes G00-G99).
What are the subcategories under G98?
G98 has 2 child codes, including: G98.0 (Neurogenic arthritis, not elsewhere classified), G98.8 (Other disorders of nervous system).
What are the UMLS CUIs for G98?
G98 is linked to 2 UMLS Concept Unique Identifiers: C0027765, C0869054. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does G98 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like other disorders of nervous system not elsewhere classified 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 G98?
G98 maps to the ICD-11 code: 8E7Z (Diseases of the nervous system, unspecified).
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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.