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ICD-10-CM Codes
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G00-G99
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G40-G47
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G40-
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2023 ICD-10-CM Diagnosis Code G40.1
2023 ICD-10-CM Diagnosis Code G40.1
Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with simple partial seizures
2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
- G40.1 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
- Short description: Local-rel (focal) symptc epilepsy w simple partial seizures
- The 2023 edition of ICD-10-CM G40.1 became effective on October 1, 2022.
- This is the American ICD-10-CM version of G40.1 - other international versions of ICD-10 G40.1 may differ.
Applicable To- Attacks without alteration of consciousness
- Epilepsia partialis continua [Kozhevnikof]
- Simple partial seizures developing into secondarily generalized seizures
The following code(s) above
G40.1 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
- Applicable To annotations, or
- Code Also annotations, or
- Code First annotations, or
- Excludes1 annotations, or
- Excludes2 annotations, or
- Includes annotations, or
- Note annotations, or
- Use Additional annotations
that may be applicable to
G40.1:
- 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
- 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
- 2023 (effective 10/1/2022): No change
Code annotations containing back-references to G40.1:
- Epilepsia partialis continua G40.1- - see also Kozhevnikof's epilepsy
- Epilepsy, epileptic, epilepsia (attack) (cerebral) (convulsion) (fit) (seizure) G40.909
ICD-10-CM Diagnosis Code G40.909
Epilepsy, unspecified, not intractable, without status epilepticus
2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
Applicable To- Epilepsy NOS
- Epileptic convulsions NOS
- Epileptic fits NOS
- Epileptic seizures NOS
- Recurrent seizures NOS
- Seizure disorder NOS
ICD-10-CM Codes Adjacent To G40.1
G37.8 Other specified demyelinating diseases of central nervous system
G37.9 Demyelinating disease of central nervous system, unspecified
G40 Epilepsy and recurrent seizures
G40.0 Localization-related (focal) (partial) idiopathic epilepsy and epileptic syndromes with seizures of localized onset
G40.00 Localization-related (focal) (partial) idiopathic epilepsy and epileptic syndromes with seizures of localized onset, not intractable
G40.009 …… without status epilepticus
G40.01 Localization-related (focal) (partial) idiopathic epilepsy and epileptic syndromes with seizures of localized onset, intractable
G40.019 …… without status epilepticus
G40.1
Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with simple partial seizures
G40.10 Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with simple partial seizures, not intractable
G40.109 …… without status epilepticus
G40.11 Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with simple partial seizures, intractable
G40.119 …… without status epilepticus
G40.2 Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with complex partial seizures
G40.20 Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with complex partial seizures, not intractable
G40.209 …… without status epilepticus
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
