All ICD10 Codes

G20-G26

Non-Billable
ChapterG00–G99
Rankblock
Official Description

Extrapyramidal and movement disorders (G20-G26)

Use a more specific code (1 billable, 5 non-billable)
G20Parkinson's diseasehas subcodesG21Secondary parkinsonismhas subcodesG23Other degenerative diseases of basal gangliahas subcodesG24Dystoniahas subcodesG25Other extrapyramidal and movement disordershas subcodesG26Extrapyramidal and movement disorders in diseases classified elsewhere
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)

Clinical Hierarchy

BillableHas subcodes
CH6Diseases of the nervous system (G00-G99)
G20-G26Extrapyramidal and movement disorders (G20-G26)Not billable
G20Parkinson's diseaseSubcodes
G21Secondary parkinsonismSubcodes
G23Other degenerative diseases of basal gangliaSubcodes
G24DystoniaSubcodes
G25Other extrapyramidal and movement disordersSubcodes
G26Extrapyramidal and movement disorders in diseases classified elsewhereBillable

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

Find Procedures (ICD-10-PCS)

Find surgical and procedural codes related to Extrapyramidal and movement disorders (G20-G26).

Search PCS Codes