2019 ICD-10-CM Diagnosis Code G40.909

Epilepsy, unspecified, not intractable, without status epilepticus

Applicable To
  • Epilepsy NOS
  • Epileptic convulsions NOS
  • Epileptic fits NOS
  • Epileptic seizures NOS
  • Recurrent seizures NOS
  • Seizure disorder NOS
The following code(s) above G40.909 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to G40.909:
  • G00-G99
    2019 ICD-10-CM Range G00-G99

    Diseases of the nervous system

    Type 2 Excludes
    • 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)
    Diseases of the nervous system
  • G40
    ICD-10-CM Diagnosis Code G40

    Epilepsy and recurrent seizures

      2016 2017 2018 2019 Non-Billable/Non-Specific Code
    • the following terms are to be considered equivalent to intractable: pharmacoresistant (pharmacologically resistant), treatment resistant, refractory (medically) and poorly controlled
    Type 1 Excludes
    • conversion disorder with seizures (F44.5)
    • convulsions NOS (R56.9)
    • post traumatic seizures (R56.1)
    • seizure (convulsive) NOS (R56.9)
    • seizure of newborn (P90)
    Type 2 Excludes
    Epilepsy and recurrent seizures
  • G40.90
    ICD-10-CM Diagnosis Code G40.90

    Epilepsy, unspecified, not intractable

      2016 2017 2018 2019 Non-Billable/Non-Specific Code
    Applicable To
    • Epilepsy, unspecified, without intractability
    Epilepsy, unspecified, not intractable
Approximate Synonyms Clinical Information ICD-10-CM G40.909 is grouped within Diagnostic Related Group(s) (MS-DRG v36.0):

Convert G40.909 to ICD-9-CM

Code History
Code annotations containing back-references to G40.909:

Diagnosis Index entries containing back-references to G40.909:

ICD-10-CM Codes Adjacent To G40.909
G40.814 …… intractable, without status epilepticus
G40.82 Epileptic spasms
G40.821 …… not intractable, with status epilepticus
G40.822 …… not intractable, without status epilepticus
G40.823 …… intractable, with status epilepticus
G40.824 …… intractable, without status epilepticus
G40.89 Other seizures
G40.9 Epilepsy, unspecified
G40.90 Epilepsy, unspecified, not intractable
G40.901 …… with status epilepticus
G40.909 …… without status epilepticus
G40.91 Epilepsy, unspecified, intractable
G40.911 …… with status epilepticus
G40.919 …… without status epilepticus
G43 Migraine
G43.0 Migraine without aura
G43.00 Migraine without aura, not intractable
G43.001 …… with status migrainosus
G43.009 …… without status migrainosus
G43.01 Migraine without aura, intractable
G43.011 …… with status migrainosus

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.