G40.844 KCNQ2-related epilepsy, intractable, without status epilepticus
Instructional Notes:
G40.844 Description: KCNQ2-related epilepsy, intractable, without status epilepticus ↓
G40.84 Description: KCNQ2-related epilepsy ↓
G40.8 Description: Other epilepsy and recurrent seizures Inclusion Term:
Epilepsies and epileptic syndromes undetermined as to whether they are focal or generalized
Landau-Kleffner syndrome
↓
G40 Description: Epilepsy and recurrent seizures Exclude1:
conversion disorder with seizures (F44.5)
convulsions NOS (R56.9)
post traumatic seizures (R56.1)
seizure (convulsive) NOS (R56.9)
seizure of newborn (P90)
Exclude2:
hippocampal sclerosis (G93.81)
mesial temporal sclerosis (G93.81)
temporal sclerosis (G93.81)
Todd's paralysis (G83.84)
Notes:
the following terms are to be considered equivalent to intractable: pharmacoresistant (pharmacologically resistant), treatment resistant, refractory (medically) and poorly controlled
↓
G40-G47 Description: Episodic and paroxysmal disorders (G40-G47) ↓
G00-G99 Description: Diseases of the nervous system Exclude2:
certain conditions originating in the perinatal period (P04-P96)
certain infectious and parasitic diseases (A00-B99)
complications of pregnancy, childbirth and the puerperium (O00-O9A)
congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
endocrine, nutritional and metabolic diseases (E00-E88)
injury, poisoning and certain other consequences of external causes (S00-T88)
neoplasms (C00-D49)
symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)