2027 ICD-10-CM Diagnosis Code G25.9Extrapyramidal and movement disorder, unspecified

ICD-10-CM Codes›G00–G99›G20-G26›G25

ICD-10-CM G25.9
CMSSource: CMS FY 2027 ICD-10-CM dataset · Effective Oct 1, 2026 – Sep 30, 2027

G25.9 is a billable ICD-10-CM diagnosis code for extrapyramidal and movement disorder, unspecified. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRG 56 through 57. As a secondary diagnosis, it counts as a complication or comorbidity (CC) and moves an inpatient stay to a higher severity level within its MS-DRG family. It does not count, however, when the principal diagnosis is one of 95 closely related codes. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Other nervous system disorders (often hereditary or degenerative).

Code Identity

ICD-10-CM Code
G25.9
Billable Status
Yes — Valid for Submission
Code Describes
Extrapyramidal and movement disorder, unspecified
Short Description
Extrapyramidal and movement disorder, unspecified
Same as the full description in the CMS dataset.
Parent Code
G25
Other extrapyramidal and movement disorders

Code Classification

ChapterG00–G99Diseases of the nervous system
SectionG20-G26Extrapyramidal and movement disorders
CategoryG25Other extrapyramidal and movement disorders
This CodeG25.9Extrapyramidal and movement disorder, unspecified

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Abnormal movement
  • Childhood-onset motor and cognitive regression syndrome with extrapyramidal movement disorder
  • Complication of cutaneous surgery
  • Disorder of zinc metabolism
  • Extrapyramidal disease
  • Extrapyramidal movements
  • Functional movement disorder
  • Impairment of motor nerve function as a complication of cutaneous surgery
  • Intellectual disability, epilepsy, extrapyramidal syndrome
  • Movement disorder
  • Movement disorder due to toxicity of substance
  • Opticocochleodentate degeneration
  • Progressive pyramidopallidal degeneration
  • Psychogenic movement disorder
  • Psychomotor regression, oculomotor apraxia, movement disorder, nephropathy syndrome

Instructional NotesGuidance

Instructions from the official ICD-10-CM Tabular List that apply to G25.9: its own notes plus those printed at G25 and Chapter 6. A note printed at a category, block or chapter applies to every code under it.

Excludes2

Not included here: the excluded condition is not part of this code, but a patient may have both, so both codes may be reported.

From G25 Other extrapyramidal and movement disorders applies to 16 codes
  • sleep related movement disorders (G47.6-)
From Chapter 6 (G00-G99) Diseases of the nervous system applies to 700 codes
  • 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)

Source: CMS ICD-10-CM Tabular List. How to read instructional notes.

Referenced in Other NotesGuidance

Instructional notes printed at other codes that name G25.9, its category, or a range that includes it.

Excludes1 1

These codes carry an Excludes1 note naming G25.9: they are not reported together with it, unless the two conditions are unrelated.

  • R25 Abnormal involuntary movements
    specific movement disorders (G20-G26) names G20-G26, which includes this code

Excludes2 1

These codes carry an Excludes2 note naming G25.9: its condition is not part of those codes, and both may be reported when the patient has both.

  • F98.4 Stereotyped movement disorders
    movement disorders of organic origin (G20-G25) names G20-G25, which includes this code

Index to Diseases and InjuriesGuidance

Alphabetical index entries that point to this code.

Clinical ClassificationClinical

AHRQ’s CCSR groups this code into broader clinical categories.

CCSR NVS006
Other nervous system disorders (often hereditary or degenerative)
Default principal diagnosis: inpatient Yes · outpatient Yes

Clinical InformationClinical

  • Extrapyramidal Disorder

    a movement disorder caused by defects in the basal ganglia. the clinical manifestations include changes in the muscle tone, dyskinesia, and akinesia. causes include vascular disorders, degenerative disorders, and antipsychotic drugs.

Patient EducationClinical

Movement Disorders

Movement disorders are neurologic conditions that cause problems with movement, such as:

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Convert G25.9 to ICD-9-CMHistory

The closest ICD-9-CM equivalents under the General Equivalence Mappings.

ICD-9-CM
333.90 Extrapyramidal dis NOS
Approximate The match is approximate rather than exact.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2026No changes
FY 2027CurrentCurrent code set, no changesEffective October 1, 2026 through September 30, 2027.

Questions About G25.9Overview

What is the ICD-10 code for extrapyramidal and movement disorder, unspecified?

The ICD-10-CM code for extrapyramidal and movement disorder, unspecified is G25.9 (sometimes written as G259). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

Is G25.9 (Other extrapyramidal and movement disorders) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report extrapyramidal and movement disorder, unspecified on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

What MS-DRG does G25.9 group to?

When extrapyramidal and movement disorder, unspecified is the principal diagnosis on an inpatient stay, it groups to MS-DRG 57, 56, with relative weights from 1.2835 to 2.2649 depending on complications. Higher weights mean higher Medicare reimbursement.

Is G25.9 a CC or MCC?

CMS lists G25.9 as a CC (complication or comorbidity) for FY 2027. Reported as a secondary diagnosis, it moves the inpatient stay to a higher-weighted DRG within its severity family. It does not count when the principal diagnosis is one of the 95 closely related codes in its exclusion list.

What is the ICD-9 equivalent of G25.9?

Under the General Equivalence Mappings, extrapyramidal and movement disorder, unspecified converts to ICD-9-CM 333.90 (extrapyramidal dis NOS). The mapping is approximate, so confirm the match fits the documentation.