2023/2022

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  5. 2023 ICD-10-CM Diagnosis Code G40.101

2023 ICD-10-CM Diagnosis Code G40.101

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

    2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
  • G40.101 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 part seiz, not ntrct, w stat epi
  • The 2023 edition of ICD-10-CM G40.101 became effective on October 1, 2022.
  • This is the American ICD-10-CM version of G40.101 - other international versions of ICD-10 G40.101 may differ.
The following code(s) above G40.101 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 G40.101:
  • G00-G99
    2023 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 2020 2021 2022 2023 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 2020 2021 2022 2023 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 2020 2021 2022 2023 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
  • Epilepsy, partial
  • Epilepsy, simple partial with status epilepticus
  • Seizure, simple partial
  • Simple partial seizure, consciousness not impaired
  • Simple partial status epilepticus
ICD-10-CM G40.101 is grouped within Diagnostic Related Group(s) (MS-DRG v40.0):
  • 023 Craniotomy with major device implant or acute complex cns principal diagnosis with mcc or chemotherapy implant or epilepsy with neurostimulator
  • 100 Seizures with mcc
  • 101 Seizures without mcc

Convert G40.101 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
  • 2020 (effective 10/1/2019): No change
  • 2021 (effective 10/1/2020): No change
  • 2022 (effective 10/1/2021): No change
  • 2023 (effective 10/1/2022): No change

Diagnosis Index entries containing back-references to G40.101:
  • Epilepsy, epileptic, epilepsia (attack) (cerebral) (convulsion) (fit) (seizure) G40.909
    ICD-10-CM Diagnosis Code G40.909

    Epilepsy, unspecified, not intractable, without status epilepticus

      2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
    Applicable To
    • Epilepsy NOS
    • Epileptic convulsions NOS
    • Epileptic fits NOS
    • Epileptic seizures NOS
    • Recurrent seizures NOS
    • Seizure disorder NOS
    • localization-related (focal) (partial)
      • symptomatic
        • with simple partial seizures G40.109
          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 2020 2021 2022 2023 Billable/Specific Code
          Applicable To
          • Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with simple partial seizures NOS
          • not intractable G40.109
            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 2020 2021 2022 2023 Billable/Specific Code
            Applicable To
            • Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with simple partial seizures NOS
            • with status epilepticus G40.101
    • syndromes
      • localization-related (focal) (partial)
        • symptomatic
          • with simple partial seizures G40.109
            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 2020 2021 2022 2023 Billable/Specific Code
            Applicable To
            • Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with simple partial seizures NOS
            • not intractable G40.109
              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 2020 2021 2022 2023 Billable/Specific Code
              Applicable To
              • Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with simple partial seizures NOS
              • with status epilepticus G40.101
  • Kozhevnikof's epilepsy G40.109
    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 2020 2021 2022 2023 Billable/Specific Code
    Applicable To
    • Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with simple partial seizures NOS
    • not intractable G40.109
      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 2020 2021 2022 2023 Billable/Specific Code
      Applicable To
      • Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with simple partial seizures NOS
      • with status epilepticus G40.101

ICD-10-CM Codes Adjacent To G40.101
G40 Epilepsy and recurrent seizures
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

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

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