Epilepsy and recurrent seizures G40

  • G40 should not be used for reimbursement purposes. Please select a more specific diagnosis below.
  • The 2019 edition of ICD-10-CM G40 became effective on October 1, 2018.
  • This is the American ICD-10-CM version of G40 - other international versions of ICD-10 G40 may differ.
  • the following terms are to be considered equivalent to intractable: pharmacoresistant (pharmacologically resistant), treatment resistant, refractory (medically) and poorly controlled
Type 1 Excludes:
  • conversion disorder with seizures (F44.5)
  • convulsions NOS (R56.9)
  • post traumatic seizures (R56.1)
  • seizure (convulsive) NOS (R56.9)
  • seizure of newborn (P90)
Type 2 Excludes:
  • hippocampal sclerosis (G93.81)
  • mesial temporal sclerosis (G93.81)
  • temporal sclerosis (G93.81)
  • Todd's paralysis (G83.84)

Codes: = Billable

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.