ICD-10-CM › G00-G99 › G40-G47 › G40 Epilepsy and recurrent seizures › G40.C
G40.C
Lafora progressive myoclonus epilepsy
Not billableICD-10-CM diagnosis code.
This code exists but cannot be submitted on its own. It groups the more specific codes beneath it.
Submit one of these 2 more specific codes instead:
What has happened to this code
Every change the publisher made, from 2024 to now.
- FY2024 Added to the code set Lafora progressive myoclonus epilepsy
Official coding rules
Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.
Inherited from G40 Epilepsy and recurrent seizures
Excludes1 - never coded here
- conversion disorder with seizures (F44.5)
- convulsions NOS (R56.9)
- post traumatic seizures (R56.1)
- seizure (convulsive) NOS (R56.9)
- seizure of newborn (P90)
Excludes2 - not included here
- hippocampal sclerosis (G93.81)
- mesial temporal sclerosis (G93.81)
- temporal sclerosis (G93.81)
- Todd's paralysis (G83.84)
Note
- the following terms are to be considered equivalent to intractable: pharmacoresistant (pharmacologically resistant), treatment resistant, refractory (medically) and poorly controlled
How CDC's index refers to this code
Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.
- State > confusional > acute
- State > confusional > subacute
- Disorder > major neurocognitive
- Disorder > neurocognitive > major
- Syndrome > brain > acute or subacute
- Delirium, delirious > with > dementia
- Reaction > organic, acute or subacute
- Disorder > neurocognitive > major > in
- Disorder > neurocognitive > major > in > with > violent behavior
- Disorder > neurocognitive > major > in > with > combative behavior
- Disorder > neurocognitive > major > in > with > aggressive behavior
- Dementia > in > epilepsy
- Dementia > in > epilepsy > with behavioral disturbance
Codes in the same group
| Code | Description | Status |
|---|---|---|
| G40.0 | Localization-related (focal) (partial) idiopathic epilepsy and epileptic syndromes with seizures of localized onset | Not billable |
| G40.1 | Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with simple partial seizures | Not billable |
| G40.2 | Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with complex partial seizures | Not billable |
| G40.3 | Generalized idiopathic epilepsy and epileptic syndromes | Not billable |
| G40.4 | Other generalized epilepsy and epileptic syndromes | Not billable |
| G40.5 | Epileptic seizures related to external causes | Not billable |
| G40.8 | Other epilepsy and recurrent seizures | Not billable |
| G40.9 | Epilepsy, unspecified | Not billable |
| G40.A | Absence epileptic syndrome | Not billable |
| G40.B | Juvenile myoclonic epilepsy [impulsive petit mal] | Not billable |