G40.9

Epilepsy, unspecified

Non-billable header

G40.9 is a non-billable header code. Use one of the more specific codes below.

Inclusion terms

Includes (from G40)

  • Note: the following terms are to be considered equivalent to intractable: pharmacoresistant (pharmacologically resistant), treatment resistant, refractory (medically) and poorly controlled

Excludes1

Not coded here — never report together with this code.

  • conversion disorder with seizures (F44.5) (from G40)
  • convulsions NOS (R56.9) (from G40)
  • post traumatic seizures (R56.1) (from G40)
  • seizure (convulsive) NOS (R56.9) (from G40)
  • seizure of newborn (P90) (from G40)

Excludes2

Not included here — may be reported together when both conditions exist.

  • certain conditions originating in the perinatal period (P04-P96) (from G40)
  • certain infectious and parasitic diseases (A00-B99) (from G40)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A) (from G40)
  • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99) (from G40)
  • endocrine, nutritional and metabolic diseases (E00-E88) (from G40)
  • injury, poisoning and certain other consequences of external causes (S00-T88) (from G40)
  • neoplasms (C00-D49) (from G40)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94) (from G40)
  • hippocampal sclerosis (G93.81) (from G40)
  • mesial temporal sclerosis (G93.81) (from G40)
  • temporal sclerosis (G93.81) (from G40)
  • Todd's paralysis (G83.84) (from G40)

Parent code

  • G40Epilepsy and recurrent seizuresHeader

More specific codes G40.9

  • G40.90Epilepsy, unspecified, not intractableHeader
  • G40.91Epilepsy, unspecified, intractableHeader

Related codes

  • G40.0Localization-related (focal) (partial) idiopathic epilepsy and epileptic syndromes with seizures of localized onsetHeader
  • G40.1Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with simple partial seizuresHeader
  • G40.2Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with complex partial seizuresHeader
  • G40.3Generalized idiopathic epilepsy and epileptic syndromesHeader
  • G40.AAbsence epileptic syndromeHeader
  • G40.BJuvenile myoclonic epilepsy [impulsive petit mal]Header
  • G40.CLafora progressive myoclonus epilepsyHeader
  • G40.4Other generalized epilepsy and epileptic syndromesHeader
  • G40.5Epileptic seizures related to external causesHeader
  • G40.8Other epilepsy and recurrent seizuresHeader

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