G20-G26

Non-Billable
ChapterG00–G99
Rankblock
Official Description

Extrapyramidal and movement disorders (G20-G26)

Metadata & Insights
  • •2026 ICD-10-CM Edition - Effective October 1, 2025.
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 6: Diseases of the Nervous System (G00-G99).

CH6 Parent Instructions

Excludes2(Not included here)
  • 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)

Clinical Hierarchy

CH6Diseases of the nervous system (G00-G99)
G20-G26Extrapyramidal and movement disorders (G20-G26)
G20Parkinson's disease
G21Secondary parkinsonism
G23Other degenerative diseases of basal ganglia
G24Dystonia
G25Other extrapyramidal and movement disorders
G26Extrapyramidal and movement disorders in diseases classified elsewhere

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to G20-G26:

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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