Non-specific code 2014 ICD-9-CM Diagnosis Code 345.0
Generalized nonconvulsive epilepsy
  • Non-Billable Code
  • There are 2 ICD-9-CM codes below 345.0 that define this diagnosis in greater detail. Do not use this code on a reimbursement claim.
Clinical Information
  • Epilepsy characterized by absence seizures.
  • Generalized seizure that manifests in a form of a brief episode of impairment of consciousness with or without accompanying motor phenomena such as clonic-tonic components, automatisms, or autonomic components.
  • The seizure seen in absence epilepsy, consisting of a sudden momentary break in consciousness of thought or activity, often accompanied by automatisms or clonic movements, especially of the eyelids.
Applies To
  • Absences:
    • atonic
    • typical
  • Minor epilepsy
  • Petit mal
  • Pykno-epilepsy
  • Seizures:
    • akinetic
    • atonic
ICD-9-CM Volume 2 Index entries containing back-references to 345.0:
  • Absence (organ or part) (complete or partial)
    • epileptic (atonic) (typical) (see also Epilepsy) 345.0
  • Absentia epileptica (see also Epilepsy) 345.0
  • Attack
    • akinetic (see also Epilepsy) 345.0
  • Epilepsy, epileptic (idiopathic) 345.9
    • absence (attack) 345.0
    • akinetic 345.0
    • minor 345.0
    • nonconvulsive, generalized 345.0
    • petit mal 345.0
  • Lennox-Gastaut syndrome 345.0
    • with tonic seizures 345.1
  • Lennox's syndrome (see also Epilepsy) 345.0
  • Petit mal (idiopathic) (see also Epilepsy) 345.0
  • Pycnoepilepsy, pycnolepsy (idiopathic) (see also Epilepsy) 345.0
  • Pykno-epilepsy, pyknolepsy (idiopathic) (see also Epilepsy) 345.0
  • Seizure(s) 780.39
    • akinetic (idiopathic) (see also Epilepsy) 345.0
    • atonic (see also Epilepsy) 345.0
  • Syndrome - see also Disease
    • Lennox-Gastaut syndrome 345.0
      • with tonic seizures 345.1
    • Lennox's (see also Epilepsy) 345.0
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 345.0 is one of thousands of ICD-9-CM codes used in healthcare. Although ICD-9-CM and CPT codes are largely numeric, they differ in that CPT codes describe medical procedures and services. Can't find a code? Start at the root of ICD-9-CM, check the 2014 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.