ICD-10-CM > R00-R99 > R50-R69 > R56 > R56.0 > R56.01 R56.01 Complex febrile convulsions Billable/Specific Copy Code Copy Description Applicable To Atypical febrile seizureComplex febrile seizureComplicated febrile seizure Type 1 Excludes status epilepticus (G40.901)