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G25.3 - Myoclonus


The ICD 10 Code for Myoclonus is listed as G25.3.
Additional information concerning this code and description can be found below including ICD 9 crosswalks / GEMS, chapter information, and DRGs where available.

ICD 10 CM Field Value
Diagnosis Code: G25.3
Description: Myoclonus
  • Drug-induced myoclonus
  • Palatal myoclonus
  • Use additional code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
  • Excludes1: facial myokymia (G51.4)
  • myoclonic epilepsy (G40.-)
Diagnostic Related Groups
(MS-DRG v30.0)
091 - Other Disorders Of Nervous System W Mcc
092 - Other Disorders Of Nervous System W Cc
093 - Other Disorders Of Nervous System W/o Cc/mcc
Chapter Diseases of the nervous system (G00-G99)
Block Extrapyramidal and movement disorders (G20-G26)
Parent G25 - Other extrapyramidal and movement disorders
ICD-9-CM Diagnosis Codes General Equivalence Mappings (GEMS):
ICD 9 Dx Code: 333.2 - Myoclonus
ICD-10-CM Siblings (same level / similar specificity) of G25.3:
G25.0 - Essential tremor
G25.1 - Drug-induced tremor
G25.2 - Other specified forms of tremor
G25.4 - Drug-induced chorea
G25.5 - Other chorea
G25.6 - Drug induced tics and other tics of organic origin
G25.7 - Other and unspecified drug induced movement disorders
G25.8 - Other specified extrapyramidal and movement disorders
G25.9 - Extrapyramidal and movement disorder, unspecified