ICD-10-CM > R00-R99 > R50-R69 > R56 R56 Convulsions, not elsewhere classified Non-Billable/Non-Specific Type 1 Excludes dissociative convulsions and seizures (F44.5)epileptic convulsions and seizures (G40.-)newborn convulsions and seizures (P90) Codes R56.0Febrile convulsionsR56.00Simple febrile convulsionsR56.01Complex febrile convulsionsR56.1Post traumatic seizuresR56.9Unspecified convulsions