FY2017
Effective from
- Inherited rules changed
Localization-related (focal) (partial) idiopathic epilepsy and epileptic syndromes with seizures of localized onset
Category — select a more specific code
CDC/NCHS · FY2017For US diagnosis claims covered by HIPAA, ICD-10-CM is required from October 1, 2015.
Use the service date for outpatient/professional claims and the discharge date for hospital inpatient claims. Earlier encounters use ICD-9-CM; each individual code must also be valid for the applicable date.
Official coding guidelines → · CMS ↗First observed · 2015-10-01
Latest recorded change · FY2017
Effective from
Localization-related (focal) (partial) idiopathic epilepsy and epileptic syndromes with seizures of localized onset
Category — select a more specific code
CDC/NCHS · FY2017| All editions | Effective from | Code history |
|---|---|---|
| FY2016 | 2015-10-01 | First observed |
| FY2017 | 2016-10-01 | Inherited rules changed |
| FY2018 | 2017-10-01 | No tabular change |
| FY2019 | 2018-10-01 | No tabular change |
| FY2020 | 2019-10-01 | No tabular change |
| FY2020 · April | 2020-04-01 | No tabular change |
| FY2021 | 2020-10-01 | No tabular change |
| FY2021 · 01-01 | 2021-01-01 | No tabular change |
| FY2022 | 2021-10-01 | No tabular change |
| FY2022 · 04-01 | 2022-04-01 | No tabular change |
| FY2023 | 2022-10-01 | No tabular change |
| FY2023 · 04-01 | 2023-04-01 | No tabular change |
| FY2024 | 2023-10-01 | No tabular change |
| FY2024 · 04-01 | 2024-04-01 | No tabular change |
| FY2025 | 2024-10-01 | No tabular change |
| FY2025 · 04-01 | 2025-04-01 | No tabular change |
| FY2026 | 2025-10-01 | No tabular change |
| FY2026 · April | 2026-04-01 | No tabular change |
| FY2027 | 2026-10-01 | No tabular change |
the following terms are to be considered equivalent to intractable: pharmacoresistant (pharmacologically resistant), treatment resistant, refractory (medically) and poorly controlled
G40.00Localization-related (focal) (partial) idiopathic epilepsy and epileptic syndromes with seizures of localized onset, not intractableCategory · further specificity requiredG40.01Localization-related (focal) (partial) idiopathic epilepsy and epileptic syndromes with seizures of localized onset, intractableCategory · further specificity requiredOther entries in the same category; these are not automatic substitutes.
| Code | Description | Category · further specificity required |
|---|---|---|
| G40.1 | Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with simple partial seizures | Category · further specificity required |
| G40.2 | Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with complex partial seizures | Category · further specificity required |
| G40.3 | Generalized idiopathic epilepsy and epileptic syndromes | Category · further specificity required |
| G40.4 | Other generalized epilepsy and epileptic syndromes | Category · further specificity required |
| G40.5 | Epileptic seizures related to external causes | Category · further specificity required |
| G40.8 | Other epilepsy and recurrent seizures | Category · further specificity required |
| G40.9 | Epilepsy, unspecified | Category · further specificity required |
| G40.A | Absence epileptic syndrome | Category · further specificity required |
| G40.B | Juvenile myoclonic epilepsy [impulsive petit mal] | Category · further specificity required |
| G40.C | Lafora progressive myoclonus epilepsy | Category · further specificity required |
Official titles and instructions are preserved in their source language. Official sources ↗