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v1.0.0
ICD-10 Guide
ICD-10 CodesG40.822

G40.822

Billable

Epileptic spasms, not intractable, without status epilepticus

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

Code Description

ICD-10 G40.822 is a billable code used to indicate a diagnosis of epileptic spasms, not intractable, without status epilepticus.

Key Diagnostic Point:

Epileptic spasms, classified under the broader category of seizure disorders, are characterized by sudden, brief contractions of the muscles, often occurring in clusters. This condition is particularly prevalent in infants and young children, often associated with developmental disorders such as West syndrome. The spasms can occur multiple times a day and may be triggered by various factors, including stress, sleep deprivation, or illness. Unlike intractable epilepsy, which is resistant to treatment, G40.822 refers specifically to cases that are manageable with appropriate antiepileptic medications. The absence of status epilepticus, a life-threatening condition characterized by prolonged seizures, further delineates this code. Diagnosis typically involves a thorough clinical evaluation, including a detailed history of seizure episodes, neurological examination, and often EEG monitoring to observe the characteristic hypsarrhythmia pattern. Treatment usually involves the use of antiepileptic drugs such as vigabatrin or corticosteroids, and ongoing management is essential to monitor the effectiveness of therapy and adjust as necessary.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Differentiating between intractable and non-intractable forms of epilepsy
  • Understanding the nuances of seizure classification
  • Knowledge of appropriate antiepileptic drug therapies
  • Documentation of seizure frequency and triggers

Audit Risk Factors

  • Inadequate documentation of seizure frequency and characteristics
  • Failure to specify the non-intractable nature of the condition
  • Misclassification of seizure types
  • Lack of evidence for the absence of status epilepticus

Specialty Focus

Medical Specialties

Neurology

Documentation Requirements

Detailed seizure history, neurological examination findings, and treatment response.

Common Clinical Scenarios

Initial diagnosis of epileptic spasms, management of ongoing therapy, and monitoring for side effects.

Billing Considerations

Ensure clarity in distinguishing between different seizure types and their management.

Pediatrics

Documentation Requirements

Growth and developmental assessments, family history of seizure disorders, and response to antiepileptic medications.

Common Clinical Scenarios

Evaluation of infants presenting with developmental delays and seizure activity.

Billing Considerations

Consider developmental milestones and potential comorbidities.

Coding Guidelines

Inclusion Criteria

Use G40.822 When
  • According to ICD
  • 10 guidelines, G40
  • 822 should be used when documenting non
  • intractable epileptic spasms without status epilepticus
  • It is crucial to ensure that the documentation supports the diagnosis and that the condition is not classified as intractable

Exclusion Criteria

Do NOT use G40.822 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

95816CPT Code

Electroencephalogram (EEG)

Clinical Scenario

Used to confirm the diagnosis of epileptic spasms.

Documentation Requirements

EEG report detailing findings consistent with epileptic spasms.

Specialty Considerations

Neurologists should ensure comprehensive documentation of EEG results.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of seizure disorders, improving the accuracy of diagnoses and treatment tracking. G40.822 provides a clear distinction between intractable and non-intractable forms of epileptic spasms.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of seizure disorders, improving the accuracy of diagnoses and treatment tracking. G40.822 provides a clear distinction between intractable and non-intractable forms of epileptic spasms.

Reimbursement & Billing Impact

reimbursement.

Resources

Clinical References

  • •
    Epilepsy Foundation

Coding & Billing References

  • •
    Epilepsy Foundation

Frequently Asked Questions

What distinguishes G40.822 from other epilepsy codes?

G40.822 specifically refers to non-intractable epileptic spasms without status epilepticus, requiring clear documentation of the condition's management and characteristics.