G99.8 - Other specified disorders of nervous system in diseases classified elsewhere
- Applicable to Other specified disorders of nervous system in diseases classified elsewhere
- The 2025 edition of ICD10-CM G99.8 became effective on October 1, 2024.
- This is the American ICD10-CM version of G99.8 - other international versions of ICD10 G99.8 may differ.
- G99.8 is a Billable / Specific ICD10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
Type 1 Excludes
- nervous system involvement in:
- cysticercosis (B69.0)
- rubella (B06.0-)
- syphilis (A52.1-)
codefirst
- underlying disorder, such as:
- amyloidosis (E85.-)
- avitaminosis (E56.-)
The following codes above G99.8 contain annotation back-references that may be applicable to G99.8:
Chapter: G00-G99 Diseases of the nervous system
Section: G89-G99 Other disorders of the nervous system
Category: G99 Other disorders of nervous system in diseases classified elsewhere
Billable/Specific Code
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Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
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