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3. Chapter - G00-G99
4. Section - G40-G47
5. Category - G40
6. G40.31

G40.31 - Generalized idiopathic epilepsy and epileptic syndromes, intractable

• Applicable to Generalized idiopathic epilepsy and epileptic syndromes, intractable
• The 2025 edition of ICD10-CM G40.31 became effective on October 1, 2024.
• This is the American ICD10-CM version of G40.31 - other international versions of ICD10 G40.31 may differ.
• G40.31 is a Non-Billable / Non-Specific ICD10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
• G40.31 Code should not be used for billing or reimbursement purposes as there are multiple ICD-10 CM codes below it that contain a greater level of detail.

The following codes above G40.31 contain annotation back-references that may be applicable to G40.31:

• Chapter: G00-G99 - Diseases of the nervous system
• Section: G40-G47 - Episodic and paroxysmal disorders
• Category: G40 - Epilepsy and recurrent seizures

Browse other similar CM codes:

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.