G40.409
Other generalized epilepsy and epileptic syndromes, not intractable, without status epilepticus
HCC risk adjustment mapping
CMS-HCC V28
Seizure Disorders and Convulsions
CMS-HCC ESRD V24
Seizure Disorders and Convulsions
RxHCC V08
Epilepsy and Other Seizure Disorders, Except Intractable Epilepsy
Coding notes
Excludes 1 never coded together · Excludes 2 may co-exist
Other generalized epilepsy and epileptic syndromes without intractability Other generalized epilepsy and epileptic syndromes NOS
Epilepsy with grand mal seizures on awakening Epilepsy with myoclonic absences Epilepsy with myoclonic-astatic seizures Grand mal seizure NOS Nonspecific atonic epileptic seizures Nonspecific clonic epileptic seizures Nonspecific myoclonic epileptic seizures Nonspecific tonic epileptic seizures Nonspecific tonic-clonic epileptic seizures Symptomatic early myoclonic encephalopathy
conversion disorder with seizures (F44.5) convulsions NOS (R56.9) post traumatic seizures (R56.1) seizure (convulsive) NOS (R56.9) seizure of newborn (P90)
hippocampal sclerosis (G93.81) mesial temporal sclerosis (G93.81) temporal sclerosis (G93.81) Todd's paralysis (G83.84)
the following terms are to be considered equivalent to intractable: pharmacoresistant (pharmacologically resistant), treatment resistant, refractory (medically) and poorly controlled
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)
Official Guidelines for G40.409
FY 2026 ›Find G40.409 in the alphabetic index
10 index paths lead to this code
- Myoclonus, myoclonic, myoclonia › epileptica
- Seizure › grand mal
- Epilepsy, epileptic, epilepsia › generalized › specified NEC
- Seizure › grand mal › not intractable
- Epilepsy, epileptic, epilepsia › generalized › specified NEC › not intractable
- Epilepsy, epileptic, epilepsia › syndromes › generalized › specified NEC
- Seizure › grand mal › not intractable › without status epilepticus
- Epilepsy, epileptic, epilepsia › generalized › specified NEC › not intractable › without status epilepticus
- Epilepsy, epileptic, epilepsia › syndromes › generalized › specified NEC › not intractable
- Epilepsy, epileptic, epilepsia › syndromes › generalized › specified NEC › not intractable › without status epilepticus