G25.3

Billable

Myoclonus

G25.3 is the ICD-10-CM code for Myoclonus. It is a billable, specific code valid for reimbursement.

Status
Billable
Chapter
G00-G99
Parent
G25
Edition
FY2026

G00-G99 Diseases of the nervous system

What this means — in plain language

MedlinePlus · NIH

Movement disorders are neurologic conditions that cause problems with movement, such as: Increased movement that can be voluntary (intentional) or involuntary (unintended) Decreased or slow voluntary movement There are many different movement disorders. Some of the more common types include: Ataxia, the loss of muscle coordination Dystonia , in which involuntary contractions of your muscles cause twisting and…

Read more about Movement Disorders at MedlinePlus ↗

Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.

Includes

  • Drug-induced myoclonus
  • Palatal myoclonus

Excludes1 — not coded here

  • facial myokymia (G51.4)
  • myoclonic epilepsy (G40.-)

Use additional code

  • code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)

Medications indicated for this condition

FDA labeling

Drugs whose FDA labeling lists this condition's category among its indications. Informational only — not a treatment recommendation or medical advice.

Conditions mapped to this code

MedlinePlus · NIH

Plain-language health-topic references grounded in MedlinePlus (NIH/NLM).

Frequently asked questions

What is ICD-10 code G25.3?
G25.3 is the ICD-10-CM code for "Myoclonus". It falls under G00-G99 Diseases of the nervous system.
Is G25.3 a billable code?
Yes — G25.3 is a billable, specific ICD-10-CM code valid for reimbursement.
What is excluded from G25.3?
Excludes1 (not coded here): facial myokymia (G51.4); myoclonic epilepsy (G40.-).

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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