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v1.0.0
ICD-10 Guide
ICD-10 CodesG93.81

G93.81

Billable

Temporal sclerosis

BILLABLE STATUSYes
IMPLEMENTATION DATEOctober 1, 2015
LAST UPDATED09/05/2025

Code Description

ICD-10 G93.81 is a billable code used to indicate a diagnosis of temporal sclerosis.

Key Diagnostic Point:

Temporal sclerosis, also known as mesial temporal sclerosis (MTS), is a neurological condition characterized by the scarring and atrophy of the temporal lobe, particularly affecting the hippocampus. This condition is often associated with epilepsy, particularly temporal lobe epilepsy, and can lead to various neurological symptoms including memory impairment, seizures, and cognitive dysfunction. Patients may experience chronic pain syndromes due to the neurological impact of the condition, as well as autonomic disorders that can manifest as changes in heart rate, blood pressure, and gastrointestinal function. Hydrocephalus can also occur as a secondary complication, leading to increased intracranial pressure and further neurological deficits. The diagnosis of temporal sclerosis typically involves neuroimaging studies such as MRI, which can reveal characteristic changes in the temporal lobe. Management may include antiepileptic medications, surgical interventions, and supportive therapies aimed at addressing the multifaceted symptoms associated with this condition.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variability in clinical presentation and symptoms
  • Need for precise documentation of neurological deficits
  • Potential for co-morbid conditions affecting coding
  • Differentiation from other types of sclerosis and neurological disorders

Audit Risk Factors

  • Inadequate documentation of neurological symptoms
  • Failure to link symptoms to the diagnosis
  • Misinterpretation of imaging results
  • Incorrect coding of co-morbid conditions

Specialty Focus

Medical Specialties

Neurology

Documentation Requirements

Detailed neurological examination findings, imaging results, and treatment plans.

Common Clinical Scenarios

Patients presenting with seizures, memory loss, or cognitive decline.

Billing Considerations

Ensure that all neurological deficits are documented and linked to the diagnosis.

Neurosurgery

Documentation Requirements

Surgical notes, pre-operative assessments, and post-operative follow-up documentation.

Common Clinical Scenarios

Patients undergoing surgical intervention for refractory epilepsy due to temporal sclerosis.

Billing Considerations

Document the rationale for surgery and any complications that arise.

Coding Guidelines

Inclusion Criteria

Use G93.81 When
  • Follow the official ICD
  • CM coding guidelines, ensuring accurate documentation of the condition and any associated symptoms
  • Include relevant imaging studies and clinical findings to support the diagnosis

Exclusion Criteria

Do NOT use G93.81 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

95816CPT Code

Electroencephalogram (EEG)

Clinical Scenario

Used to evaluate seizure activity in patients with temporal sclerosis.

Documentation Requirements

EEG results must be documented, including seizure types and frequency.

Specialty Considerations

Neurologists should ensure that EEG findings correlate with clinical symptoms.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of temporal sclerosis, improving the accuracy of diagnoses and treatment tracking. It has also facilitated better data collection for research and epidemiological studies.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of temporal sclerosis, improving the accuracy of diagnoses and treatment tracking. It has also facilitated better data collection for research and epidemiological studies.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of temporal sclerosis, improving the accuracy of diagnoses and treatment tracking. It has also facilitated better data collection for research and epidemiological studies.

Resources

Clinical References

  • •
    American Academy of Neurology
  • •
    National Institute of Neurological Disorders and Stroke

Coding & Billing References

  • •
    American Academy of Neurology
  • •
    National Institute of Neurological Disorders and Stroke

Frequently Asked Questions

What are the common symptoms of temporal sclerosis?

Common symptoms include seizures, memory loss, cognitive decline, and autonomic dysfunction. Patients may also experience chronic pain syndromes.

How is temporal sclerosis diagnosed?

Diagnosis typically involves a combination of clinical evaluation, neurological examination, and imaging studies such as MRI that reveal characteristic changes in the temporal lobe.