2019 ICD-10-CM Diagnosis Code G40.50

Epileptic seizures related to external causes, not intractable

The following code(s) above G40.50 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 G40.50:
  • 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
  • G40.5
    ICD-10-CM Diagnosis Code G40.5

    Epileptic seizures related to external causes

      2016 2017 2018 2019 Non-Billable/Non-Specific Code
    Applicable To
    • Epileptic seizures related to alcohol
    • Epileptic seizures related to drugs
    • Epileptic seizures related to hormonal changes
    • Epileptic seizures related to sleep deprivation
    • Epileptic seizures related to stress
    Code Also
    • , if applicable, associated epilepsy and recurrent seizures (G40.-)
    Use Additional
    • code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
    Epileptic seizures related to external causes
Code History
ICD-10-CM Codes Adjacent To G40.50
G40.B11 …… with status epilepticus
G40.B19 …… without status epilepticus
G40.4 Other generalized epilepsy and epileptic syndromes
G40.40 Other generalized epilepsy and epileptic syndromes, not intractable
G40.401 …… with status epilepticus
G40.409 …… without status epilepticus
G40.41 Other generalized epilepsy and epileptic syndromes, intractable
G40.411 …… with status epilepticus
G40.419 …… without status epilepticus
G40.5 Epileptic seizures related to external causes
G40.50 Epileptic seizures related to external causes, not intractable
G40.501 …… with status epilepticus
G40.509 …… without status epilepticus
G40.8 Other epilepsy and recurrent seizures
G40.80 Other epilepsy
G40.801 …… not intractable, with status epilepticus
G40.802 …… not intractable, without status epilepticus
G40.803 …… intractable, with status epilepticus
G40.804 …… intractable, without status epilepticus
G40.81 Lennox-Gastaut syndrome
G40.811 …… not intractable, with status epilepticus

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