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Home/Diagnosis/ICD-10 Coding for Seizure-like Activity

ICD-10 Coding for Seizure-like Activity

G40.909
R56.9

Complete ICD-10-CM coding and documentation guide for icd-10 coding for seizure-like activity includes clinical validation requirements, medical necessity guidelines, and coding policies.

Also Known as:
Convulsive Disorder
Epileptic Seizure
Non-epileptic Seizure
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Key Information: ICD-10 Coding for Seizure-like Activity

Essential facts and insights about ICD-10 Coding for Seizure-like Activity

Use ICD-10 code G40.909 for epilepsy, unspecified, not intractable, without status epilepticus, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Epilepsy, unspecified, not intractable, without status epilepticus

Billable Code
G40.909
Billable

Diagnostic Criteria

  • • Recurrent unprovoked seizures with EEG confirmation

Applicable To

  • • Chronic seizure disorder without specific details

Important Notes

  • • Ensure documentation supports the chronic nature of the condition.

Unspecified convulsions

Billable Code
R56.9
Billable

Diagnostic Criteria

  • • Single seizure event without prior history
  • • No EEG confirmation of epilepsy

Applicable To

  • • Single unprovoked seizure

Important Notes

  • • Ensure the seizure is not part of a chronic condition.
Ancillary Codes

Additional codes that may be used with this diagnosis

Z79.01

Long term (current) use of antiepileptic drugs

Use to indicate ongoing antiepileptic drug therapy.

Z00.6

Encounter for general examination

Use for encounters related to diagnostic testing following a seizure.

Frequently Asked Questions

What is the ICD-10 code for seizure-like activity?

The ICD-10 code for seizure-like activity depends on the context: G40.909 for unspecified epilepsy and R56.9 for unspecified convulsions.

How do you code a single seizure event?

For a single seizure event without a diagnosis of epilepsy, use ICD-10 code R56.9.

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