G99.8 is a billable/specific diagnosis code from the 2025 ICD-10-CM used to classify the following condition: Other specified disorders of nervous system in diseases classified elsewhere.
Code first
Type 1 excludes
Versions
2025
No changes
2024
Code changed
Code first
underlying disorder, such as:amyloidosis (E85.-)avitaminosis (E56.9)
- underlying disorder, such as:
- amyloidosis (E85.-)
- avitaminosis (E56.-)
2023
No changes
2022
No changes
2021
No changes
2020
No changes
2019
No changes
2018
No changes
2017
No changes
2016
New code