How to Document and Code Temporal Lobe Epilepsy

by | Posted: Mar 18, 2025 | Medical Billing, Medical Coding

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Temporal Lobe Epilepsy (TLE) is characterized by seizures originating in the temporal lobes of the brain. The temporal lobes of the brain are areas which process emotions and are important for short-term memory. This condition may involve focal seizures with or without impaired awareness. The exact cause of temporal lobe seizures often isn’t known. If left untreated, repeated temporal lobe seizures can cause the part of the brain (called the hippocampus) involved in learning and memory to shrink, causing serious memory problems. Treatment for this condition may involve medications and surgery in complex cases. Healthcare providers must ensure accurate documentation and precise coding of temporal lobe epilepsy for effective treatment planning and reimbursement. Comprehensive documentation should include detailed symptoms, diagnostic tests, and treatment plans. By partnering with a reliable neurology medical billing company, healthcare providers can benefit from accurate code assignment, effective documentation, and clear communication of temporal lobe epilepsy diagnoses.

Temporal Lobe Epilepsy (TLE) can affect any one at any age. As mentioned above, the exact cause of TLE is unknown. But, it may stem from a scar in the temporal lobe. Symptoms of temporal lobe epilepsy can include an epileptic aura (an unusual sensation you feel before a seizure) and the seizure itself. The aura is the first part of a focal seizure before loss of consciousness. Not everyone who has temporal lobe seizures has auras. Other related symptoms of epileptic auras may include: confusion and trouble speaking for a time, unable to recall what happened during the seizure, unaware of having had a seizure, swallowing or chewing over and over, not being aware of the people and things around you, staring and lip smacking.

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Coding for Temporal Lobe Epilepsy (TLE)

After having a seizure, neurologists may review the patient’s symptoms and medical history. They may recommend several tests such as neurological exam, Electroencephalogram (EEG), CT scan, MRI, Positron emission tomography (PET) and blood tests to find the cause of the seizure and the possibility of having another seizure. Treatment for this condition involves medications and surgical procedures. Medical billing and coding service providers must use precise ICD-10 codes to ensure proper claims submission. The relevant codes for temporal lobe epilepsy include:

  • G40 Epilepsy and recurrent seizures
  • G40.0 Localization-related (focal) (partial) idiopathic epilepsy and epileptic syndromes with seizures of localized onset
  • G40.00 Localization-related (focal) (partial) idiopathic epilepsy and epileptic syndromes with seizures of localized onset, not intractable
  • G40.001 …… with status epilepticus
  • G40.009 …… without status epilepticus
  • G40.01 Localization-related (focal) (partial) idiopathic epilepsy and epileptic syndromes with seizures of localized onset, intractable
  • G40.011 …… with status epilepticus
  • G40.019 …… without status epilepticus
  • G40.1 Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with simple partial seizures
  • G40.10 Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with simple partial seizures, not intractable
  • G40.101 …… with status epilepticus
  • G40.109 …… without status epilepticus
  • G40.11 Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with simple partial seizures, intractable
  • G40.111 …… with status epilepticus
  • G40.119 …… without status epilepticus
  • G40.2 Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with complex partial seizures
  • G40.20 Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with complex partial seizures, not intractable
  • G40.201 …… with status epilepticus
  • G40.209 …… without status epilepticus
  • G40.21 Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with complex partial seizures, intractable
  • G40.211 …… with status epilepticus
  • G40.219 …… without status epilepticus
  • G40.9 Epilepsy, unspecified
  • G40.90 Epilepsy, unspecified, not intractable
  • G40.901 …… with status epilepticus
  • G40.909 …… without status epilepticus
  • G40.91 Epilepsy, unspecified, intractable
  • G40.911 …… with status epilepticus
  • G40.919 …… without status epilepticus

CPT Codes

  • 61536 for excision of epileptic focus, with electrocorticography during surgery
  • 61537 for lobectomy, temporal lobe, without electrocorticography during surgery
  • 61538 for lobectomy with electrocorticography during surgery, temporal lobe

Best Practices for Neurology Medical Billing

To optimize reimbursement and reduce claim denials, follow these best practices:

  • Ensure Proper Code Selection: Choosing the right medical codes for epilepsy treatment and diagnostic procedures is vital. Any errors can lead to claim rejections or delays in payment.
  • Link Diagnoses with Treatment: Medical billing and coding service providers should ensure that all diagnostic tests and treatments are properly linked to the epilepsy diagnosis code. This justifies medical necessity and improves claim acceptance rates.
  • Use Modifiers Where Necessary: Modifiers provide additional details regarding the nature of services provided. If a service was altered due to specific circumstances, proper use of modifiers prevents claim denials.
  • Stay Updated with Billing Guidelines: Insurance policies and neurology medical billing guidelines frequently change. Regular training and updates help medical coders stay compliant with the latest regulations.

Best Practices for Neurology Medical Billing

Maximize Reimbursement with Precise Epilepsy Coding!

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Accurate documentation and coding of temporal lobe epilepsy are essential for effective neurology medical billing. By adhering to best practices and utilizing expert medical billing and coding services, healthcare providers can streamline reimbursement processes and enhance patient care. Proper coding not only ensures compliance but also maximizes financial efficiency in neurology practices.

Natalie Tornese

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