G99.8

Billable
ChapterG00–G99
Ranksubcategory
Official Description

Other specified disorders of nervous system in diseases classified elsewhere

Metadata & Insights
  • Billable/specific code (valid for reimbursement).
  • Chapter 6: Diseases of the Nervous System (G00-G99).

Instructional Notes

Excludes1(Not coded here. Use a different code.)
  • nervous system involvement in:
  • cysticercosis (B69.0)
  • rubella (B06.0-)
  • syphilis (A52.1-)
Code First
  • underlying disorder, such as:
  • amyloidosis (E85.-)
  • avitaminosis (E56.-)
General instructions are available for the parent sections:

Clinical Hierarchy

BillableHas subcodes
CH6Diseases of the nervous system (G00-G99)
G89-G99Other disorders of the nervous system (G89-G99)
G99Other disorders of nervous system in diseases classified elsewhere
G99.8Other specified disorders of nervous system in diseases classified elsewhereBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to G99.8:

chapterCH6
Diseases of the nervous system (G00-G99)
View context instructions

MS-DRG Classification

2026 v43.1

Cross Reference

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