2019 ICD-10-CM Diagnosis Code G40.109

Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with simple partial seizures, not intractable, without status epilepticus

    2016 2017 2018 2019 Billable/Specific Code
  • G40.109 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • Short description: Local-rel symptc epi w simp prt seiz,not ntrct, w/o stat epi
  • The 2019 edition of ICD-10-CM G40.109 became effective on October 1, 2018.
  • This is the American ICD-10-CM version of G40.109 - other international versions of ICD-10 G40.109 may differ.
Applicable To
  • Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with simple partial seizures NOS
The following code(s) above G40.109 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 G40.109:
  • 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
    Note
    • 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
  • G40.1
    ICD-10-CM Diagnosis Code G40.1

    Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with simple partial seizures

      2016 2017 2018 2019 Non-Billable/Non-Specific Code
    Applicable To
    • Attacks without alteration of consciousness
    • Epilepsia partialis continua [Kozhevnikof]
    • Simple partial seizures developing into secondarily generalized seizures
    Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with simple partial seizures
  • G40.10
    ICD-10-CM Diagnosis Code G40.10

    Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with simple partial seizures, not intractable

      2016 2017 2018 2019 Non-Billable/Non-Specific Code
    Applicable To
    • Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with simple partial seizures without intractability
    Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with simple partial seizures, not intractable
Approximate Synonyms
  • Epilepsia partialis continua, intractable
  • Epilepsy loss consciousness localization related
  • Epilepsy, partial frontal lobe
  • Epilepsy, partial occipital lobe
  • Epilepsy, partial parietal lobe
  • Localization-related epilepsy
  • Partial frontal lobe epilepsy
  • Partial occipital lobe epilepsy
  • Partial parietal lobe epilepsy
  • Refractory epilepsia partialis continua
  • Simple partial epilepsy
  • Simple partial frontal lobe epilepsy
  • Simple partial occipital lobe epilepsy
  • Simple partial parietal lobe epilepsy
  • Simple partial temporal lobe epilepsy
ICD-10-CM G40.109 is grouped within Diagnostic Related Group(s) (MS-DRG v36.0):
  • 023 Craniotomy with major device implant or acute complex cns pdx with mcc or chemotherapy implant or epilepsy with neurostimulator
  • 024 Craniotomy with major device implant or acute complex cns pdx without mcc
  • 100 Seizures with mcc
  • 101 Seizures without mcc

Convert G40.109 to ICD-9-CM

Code History
  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2017 (effective 10/1/2016): No change
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): No change

Diagnosis Index entries containing back-references to G40.109:

ICD-10-CM Codes Adjacent To G40.109
G40.0 Localization-related (focal) (partial) idiopathic epilepsy and epileptic syndromes with seizures of localized onset
G40.00 Localization-related (focal) (partial) idiopathic epilepsy and epileptic syndromes with seizures of localized onset, not intractable
G40.001 …… with status epilepticus
G40.009 …… without status epilepticus
G40.01 Localization-related (focal) (partial) idiopathic epilepsy and epileptic syndromes with seizures of localized onset, intractable
G40.011 …… with status epilepticus
G40.019 …… without status epilepticus
G40.1 Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with simple partial seizures
G40.10 Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with simple partial seizures, not intractable
G40.101 …… with status epilepticus
G40.109 …… without status epilepticus
G40.11 Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with simple partial seizures, intractable
G40.111 …… with status epilepticus
G40.119 …… without status epilepticus
G40.2 Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with complex partial seizures
G40.20 Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with complex partial seizures, not intractable
G40.201 …… with status epilepticus
G40.209 …… without status epilepticus
G40.21 Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with complex partial seizures, intractable
G40.211 …… with status epilepticus
G40.219 …… without status epilepticus

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