G25.3

G25.3: Myoclonus

Billable / specific codeICD-10-CM

G25.3 is a billable, specific ICD-10-CM code for myoclonus. It is valid for submission on a claim.

Check G25.3 with the rest of the claim: free scrubber

Excludes1: never code together

These conditions cannot occur together. Billing both on the same encounter is a denial.

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

Use additional code

Add a secondary code to capture the detail described below.

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

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

Drug-induced myoclonus
Palatal myoclonus

Excludes2 inherited from the categories above G25.3

Not part of this code, but both may be coded when both are present.

Written on G25: Other extrapyramidal and movement disorders

sleep related movement disorders (G47.6-)

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

G25.3 is named in 16 Medicare coverage policies: 16 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

A54111Billing and Coding: Speech Language Pathology (SLP) Services: Communication Disorders
A54969Billing and Coding: Nerve Conduction Studies and Electromyography
A56612Billing and Coding: CT of the Head
A56619Billing and Coding: Nerve Conduction Studies and Electromyography

Alphabetic index entries that lead here

Jerks, myoclonic
Myoclonus, myoclonic, myoclonia(familial) (essential) (multifocal) (simplex)
Paramyoclonus multiplex
Convulsions›myoclonic
Myoclonus, myoclonic, myoclonia›drug-induced
Myoclonus, myoclonic, myoclonia›familial progressive
Myoclonus, myoclonic, myoclonia›Friedreich's
Myoclonus, myoclonic, myoclonia›jerks
Myoclonus, myoclonic, myoclonia›massive
Myoclonus, myoclonic, myoclonia›palatal
Myoclonus, myoclonic, myoclonia›pharyngeal
Disease, diseased›Friedreich's›myoclonia

Code history

Unchanged in every release from FY2024 to FY2027.