1. 2020 ICD-10-CM Index
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2. 'C' Terms
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3. Index Terms Starting With 'C' (Convulsions)

Index Terms Starting With 'C' (Convulsions)

• Convulsions (idiopathic) R56.9

  - see also Seizure(s)

  ICD-10-CM Diagnosis Code R56.9

  Unspecified convulsions

  2016 2017 2018 2019 2020 Billable/Specific Code

  Applicable To

  • Convulsion disorder
  • Fit NOS
  • Recurrent convulsions
  • Seizure(s) (convulsive) NOS

  • apoplectiform I67.82
    (cerebral ischemia)
    ICD-10-CM Diagnosis Code I67.82

    Cerebral ischemia

    2016 2017 2018 2019 2020 Billable/Specific Code

    Applicable To

    • Chronic cerebral ischemia
  • dissociative F44.5
    ICD-10-CM Diagnosis Code F44.5

    Conversion disorder with seizures or convulsions

    2016 2017 2018 2019 2020 Billable/Specific Code

    Applicable To

    • Conversion disorder with attacks or seizures
    • Dissociative convulsions
  • epileptic - see Epilepsy
  • epileptiform, epileptoid - see Seizure, epileptiform
  • ether (anesthetic) - see Table of Drugs and Chemicals, by drug
  • febrile R56.00
    ICD-10-CM Diagnosis Code R56.00

    Simple febrile convulsions

    2016 2017 2018 2019 2020 Billable/Specific Code

    Applicable To

    • Febrile convulsion NOS
    • Febrile seizure NOS
    • complex R56.01
      ICD-10-CM Diagnosis Code R56.01

      Complex febrile convulsions

      2016 2017 2018 2019 2020 Billable/Specific Code

      Applicable To

      • Atypical febrile seizure
      • Complex febrile seizure
      • Complicated febrile seizure

      Type 1 Excludes

      • status epilepticus (G40.901)
      • with status epilepticus G40.901
        ICD-10-CM Diagnosis Code G40.901

        Epilepsy, unspecified, not intractable, with status epilepticus

        2016 2017 2018 2019 2020 Billable/Specific Code
    • simple R56.00
      ICD-10-CM Diagnosis Code R56.00

      Simple febrile convulsions

      2016 2017 2018 2019 2020 Billable/Specific Code

      Applicable To

      • Febrile convulsion NOS
      • Febrile seizure NOS
    • with status epilepticus G40.901
      ICD-10-CM Diagnosis Code G40.901

      Epilepsy, unspecified, not intractable, with status epilepticus

      2016 2017 2018 2019 2020 Billable/Specific Code
  • hysterical F44.5
    ICD-10-CM Diagnosis Code F44.5

    Conversion disorder with seizures or convulsions

    2016 2017 2018 2019 2020 Billable/Specific Code

    Applicable To

    • Conversion disorder with attacks or seizures
    • Dissociative convulsions
  • infantile P90
    ICD-10-CM Diagnosis Code P90

    Convulsions of newborn

    2016 2017 2018 2019 2020 Billable/Specific Code Code on Newborn Record

    Type 1 Excludes

    • benign myoclonic epilepsy in infancy (G40.3-)
    • benign neonatal convulsions (familial) (G40.3-)
    • epilepsy - see Epilepsy
  • jacksonian - see Epilepsy, localization-related, symptomatic, with simple partial seizures
  • myoclonic G25.3
    ICD-10-CM Diagnosis Code G25.3

    Myoclonus

    2016 2017 2018 2019 2020 Billable/Specific Code

    Applicable To

    • Drug-induced myoclonus
    • Palatal myoclonus

    Type 1 Excludes

    • facial myokymia (G51.4)
    • myoclonic epilepsy (G40.-)

    Use Additional

    • code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
  • newborn P90
    ICD-10-CM Diagnosis Code P90

    Convulsions of newborn

    2016 2017 2018 2019 2020 Billable/Specific Code Code on Newborn Record

    Type 1 Excludes

    • benign myoclonic epilepsy in infancy (G40.3-)
    • benign neonatal convulsions (familial) (G40.3-)
  • obstetrical (nephritic) (uremic) - see Eclampsia
  • paretic A52.17
    ICD-10-CM Diagnosis Code A52.17

    General paresis

    2016 2017 2018 2019 2020 Billable/Specific Code

    Applicable To

    • Dementia paralytica
  • post traumatic R56.1
    ICD-10-CM Diagnosis Code R56.1

    Post traumatic seizures

    2016 2017 2018 2019 2020 Billable/Specific Code

    Type 1 Excludes

    • post traumatic epilepsy (G40.-)
  • psychomotor - see Epilepsy, localization-related, symptomatic, with complex partial seizures
  • recurrent R56.9
    ICD-10-CM Diagnosis Code R56.9

    Unspecified convulsions

    2016 2017 2018 2019 2020 Billable/Specific Code

    Applicable To

    • Convulsion disorder
    • Fit NOS
    • Recurrent convulsions
    • Seizure(s) (convulsive) NOS
  • reflex R25.8
    ICD-10-CM Diagnosis Code R25.8

    Other abnormal involuntary movements

    2016 2017 2018 2019 2020 Billable/Specific Code
  • scarlatinal A38.8
    ICD-10-CM Diagnosis Code A38.8

    Scarlet fever with other complications

    2016 2017 2018 2019 2020 Billable/Specific Code
  • tetanus, tetanic - see Tetanus
  • thymic E32.8
    ICD-10-CM Diagnosis Code E32.8

    Other diseases of thymus

    2016 2017 2018 2019 2020 Billable/Specific Code

    Type 1 Excludes

    • aplasia or hypoplasia with immunodeficiency (D82.1)
    • thymoma (D15.0)