G40.21 - Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with complex partial seizures, intractable
- Applicable to Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with complex partial seizures, intractable
- The 2025 edition of ICD10-CM G40.21 became effective on October 1, 2024.
- This is the American ICD10-CM version of G40.21 - other international versions of ICD10 G40.21 may differ.
- G40.21 is a Non-Billable / Non-Specific ICD10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- G40.21 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.
- G40.21 - Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with complex partial seizures, intractable
- G40.21 - Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with complex partial seizures, intractable
- G40.211 - Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with complex partial seizures, intractable, with status epilepticus
- G40.219 - Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with complex partial seizures, intractable, without status epilepticus
The following codes above G40.21 contain annotation back-references that may be applicable to G40.21:
Chapter: G00-G99 Diseases of the nervous system
Section: G40-G47 Episodic and paroxysmal disorders
Category: G40 Epilepsy and recurrent seizures
Non-Billable/Non-Specific Code
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Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
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