G25.3

Applicable To

• Drug-induced myoclonus

• Palatal myoclonus

Approximate Synonyms

• Benign myoclonus of infancy

• Benign neonatal sleep myoclonus

• Familial essential myoclonus

• Insomnia due to nocturnal myoclonus

• Myoclonic disorder

• Myoclonus of tensor tympani muscle

• Myoclonus tensor tympani muscle

• Myoclonus, non epileptic

• Myoclonus, stapes

• Nocturnal myoclonus

• Non-epileptic myoclonus

• Palatal myoclonus

• Paramyoclonus multiplex

• Stapedial myoclonus

Clinical Information

• A sudden, brief, strong contraction of a muscle or group of muscles that cannot be controlled.

• A sudden, involuntary contraction of a muscle or group of muscles; these movements may develop as a symptom of a number of neurological diseases including epilepsy, parkinson’s disease, alzheimer’s disease, or creutzfeldt-jacob disease.

• Involuntary shock-like contractions, irregular in rhythm and amplitude, followed by relaxation, of a muscle or a group of muscles. This condition may be a feature of some central nervous system diseases; e.g., epilepsy, myoclonic). Nocturnal myoclonus is the principal feature of the nocturnal myoclonus syndrome. from Adams et al., Principles of Neurology, 6th ed, pp102-3).

• Shock-like contraction of a portion of a muscle, an entire muscle, or a group of muscles; may be part of a disease process or a normal physiological response.

Details

• G25.3 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

• The 2023 edition of ICD-10-CM G25.3 became effective on October 1, 2022.

• This is the American ICD-10-CM version of G25.3 – other international versions of ICD-10 G25.3 may differ.