- G40.209 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- The 2024 edition of ICD-10-CM G40.209 became effective on October 1, 2022.
- This is the American ICD-10-CM version of G40.209 – other international versions of ICD-10 G40.209 may differ.
ICD-10-CM G40.209 is grouped within Diagnostic Related Group(s):
- 023 Craniotomy with major device implant or acute complex cns principal diagnosis with mcc or chemotherapy implant or epilepsy with neurostimulator
- 100 Seizures with mcc
- 101 Seizures without mcc
Applicable To
- Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with complex partial seizures NOS
Code History
- 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
- 2016 (effective 10/1/2015): No change
- 2017 (effective 10/1/2016): No change
- 2018 (effective 10/1/2017): No change
- 2019 (effective 10/1/2018): No change
- 2020 (effective 10/1/2019): No change
- 2021 (effective 10/1/2020): No change
- 2022 (effective 10/1/2021): No change
- 2024 (effective 10/1/2022): No change
Diagnosis Index entries containing back-references to G40.209:
- symptomatic > localization-related (focal) (partial) G40.009
- with complex partial seizures > symptomatic G40.209
- not intractable > with complex partial seizures G40.209
- without status epilepticus > not intractable G40.209
- symptomatic > localization-related (focal) (partial) G40.009
- with complex partial seizures > symptomatic G40.209
- not intractable > with complex partial seizures G40.209
- without status epilepticus > not intractable G40.209