Epilepsy, diencephalic (DC 8913)

Body system: Neurological Conditions and Convulsive DisordersRegulation: 38 CFR § 4.124a

Diencephalic epilepsy (autonomic epilepsy) originates from the diencephalon, the deep brain region containing the thalamus and hypothalamus, which regulates autonomic, endocrine, and limbic function. Episodes are characterized by paroxysmal autonomic symptoms: flushing, sweating, lacrimation, hypertension, tachycardia, pupillary changes, hyperthermia, hyperventilation, and altered emotional state, with or without altered consciousness. The VA rates DC 8913 as minor seizures under the General Rating Formula for Major and Minor Epileptic Seizures (38 CFR § 4.124a): 100% / 80% / 60% / 40% / 20% / 10% by seizure frequency, with the 10% floor for a confirmed diagnosis + history of seizures even if medication-controlled.

Rating levels

  • -1% — Diencephalic epilepsy is rated using the same 6-tier seizure-frequency ladder as petit mal epilepsy (DC 8911): 100% / 80% / 60% / 40% / 20% / 10%. The ladder credits both major and minor seizures, with the higher of the two criteria applying. The 10% floor applies to anyone with a confirmed diagnosis + history of seizures, even in medication-controlled remission.
  • 100% — Although DC 8913 is rated as minor seizures, the ladder still credits major seizures at this top tier. You qualify for 100% if Diencephalic epilepsy secondarily generalizes and you average at least 1 major (generalized tonic-clonic) seizure per month over the last year. Many diencephalic epilepsies are mixed and produce occasional secondary generalized seizures; when they do, the major-seizure frequency drives the rating at this level.
  • 80% — You qualify for 80% under DC 8913 if you have more than 10 minor (diencephalic-type) seizures weekly, or if mixed-type epilepsy produces at least 1 major seizure every 3 months over the last year (roughly 4+ major seizures per year). The two criteria are alternatives.
  • 60% — You qualify for 60% under DC 8913 if you have 9 to 10 minor seizures per week, or if mixed-type epilepsy produces at least 1 major seizure every 4 months over the last year (roughly 3+ major seizures per year).
  • 40% — You qualify for 40% under DC 8913 if you average 5 to 8 minor seizures weekly, or if mixed-type epilepsy has produced at least 1 major seizure in the last 6 months OR at least 2 major seizures in the last year.
  • 20% — You qualify for 20% under DC 8913 if you have had at least 2 minor seizures in the last 6 months, or at least 1 major seizure in the last 2 years. This tier covers partially-controlled diencephalic epilepsy where breakthrough events continue despite medication.
  • 10% — You qualify for 10% (the floor) if you have a confirmed diagnosis of epilepsy with a history of seizures, even if your seizures are currently controlled by medication and you have not had a recent event. The diagnosis itself + documented seizure history is enough; current ongoing seizures are NOT required. Medication-controlled remission still rates 10%.

Disclaimer: This tool is for informational purposes only and is not legal or medical advice. Always consult with your VSO representative or a qualified veterans benefits attorney for guidance on your specific claim.