ICD-10-CM › G00-G99 › G40-G47 › G40.80 Other epilepsy › G40.804
Other epilepsy, intractable, without status epilepticus
ValidICD-10-CM diagnosis code.
Valid for claims with a date of service in the current code year.
What has happened to this code
Every change the publisher made, from 2012 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.
- FY2012 Added to the draft code set draft Other epilepsy, intractable, without status epilepticus
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.
- Mutism
- Seizure
- Comatose
- Dumbness
- Convulsive
- Paramnesia
- Convulsions
- Unconscious
- Loss > memory
- Pseudotetanus
- Lafora disease
- Fit > epileptic
- Coma > epileptic
- Lack of > memory
- Moore's syndrome
- Morbus > caducus
- Disorder > seizure
- Postsurgery status
- Seizure > disorder
- State > convulsive
- Stroke > epileptic
- Morbus > comitialis
- Seizure > epileptic
- Disturbance > memory
- Seizure > convulsive
- Syndrome > epileptic
- Disorder > convulsive
- Convulsions > epileptic
- Equivalent > convulsive
- Landau-Kleffner syndrome
- Clouded state > epileptic
- Clouded state > paroxysmal
- Syndrome > Landau-Kleffner
- Attack, attacks > epileptic
- Status > absence, epileptic
- Fugue > postictal in epilepsy
- Amnesia > postictal in epilepsy
- Disease, diseased > Lafora body
- Status > epileptic, epilepticus
- Memory disturbance, lack or loss
Showing 40 of 59 index phrases.
Codes in the same group
| Code | Description | Status |
|---|---|---|
| G40.801 | Other epilepsy, not intractable, with status epilepticus | Valid |
| G40.802 | Other epilepsy, not intractable, without status epilepticus | Valid |
| G40.803 | Other epilepsy, intractable, with status epilepticus | Valid |