G25.3 – Myoclonus
ICD-10-CM 2027 diagnosis code · Extrapyramidal and movement disorders
ICD-10-CM code
G25.3
- Code
G25.3(claims format:G253)- Description
- Myoclonus
- Billable
- Yes – valid for HIPAA-covered transactions
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 6. Diseases of the nervous system (G00-G99)
- Block
- G20-G26 Extrapyramidal and movement disorders
- Parent codes
- G25
Notes for G25.3
Applicable to:
- Drug-induced myoclonus
- Palatal myoclonus
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
G25 – Other extrapyramidal and movement disorders
Excludes2 (not included here):
- sleep related movement disorders (G47.6-)
Index terms for G25.3
Entries in the ICD-10-CM alphabetic index that lead to this code:
- Jerks, myoclonic
- Convulsions, myoclonic
- Paramyoclonus multiplex
- Myoclonus, myoclonic, myoclonia
- Myoclonus, myoclonic, myoclonia, jerks
- Myoclonus, myoclonic, myoclonia, massive
- Myoclonus, myoclonic, myoclonia, palatal
- Disease, diseased, Friedreich's, myoclonia
- Myoclonus, myoclonic, myoclonia, pharyngeal
- Myoclonus, myoclonic, myoclonia, drug-induced
- Myoclonus, myoclonic, myoclonia, Friedreich's
- Myoclonus, myoclonic, myoclonia, familial progressive
Related codes in G25
- G25.0 – Essential tremorBillable
- G25.1 – Drug-induced tremorBillable
- G25.2 – Other specified forms of tremorBillable
- G25.4 – Drug-induced choreaBillable
- G25.5 – Other choreaBillable
- G25.6 – Drug induced tics and other tics of organic originHeader
- G25.7 – Other and unspecified drug induced movement disordersHeader
- G25.8 – Other specified extrapyramidal and movement disordersHeader
- G25.9 – Extrapyramidal and movement disorder, unspecifiedBillable
Frequently asked questions
What is ICD-10 code G25.3?
G25.3 is the ICD-10-CM code for myoclonus, in the block G20-G26 (Extrapyramidal and movement disorders).
Is G25.3 a billable code?
Yes. G25.3 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does G25.3 belong to?
It belongs to category G25 – Other extrapyramidal and movement disorders.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.