All ICD10 Codes

G98

Non-Billable
ChapterG00–G99
Rankcategory
Official Description

Other disorders of nervous system not elsewhere classified

Use a more specific code (2 billable)
G98.0Neurogenic arthritis, not elsewhere classifiedG98.8Other disorders of nervous system
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 6: Diseases of the Nervous System (G00-G99).

CH6 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)
  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)

Instructional Notes

Includes
  • nervous system disorder NOS

Clinical Hierarchy

BillableHas subcodes
CH6Diseases of the nervous system (G00-G99)
G89-G99Other disorders of the nervous system (G89-G99)
G98Other disorders of nervous system not elsewhere classifiedNot billable
G98.0Neurogenic arthritis, not elsewhere classifiedBillable
G98.8Other disorders of nervous systemBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to G98:

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

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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