G40.5

Header — not billable

Epileptic seizures related to external causes

The ICD-10 code for epileptic seizures related to external causes is G40.5.

G40.5 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 1 more specific codes below.

Clinical notes

Code also

Two codes may be needed to fully describe a condition, but unlike Code First/Use Additional Code, the sequencing order is not mandated by convention.

, if applicable, associated epilepsy and recurrent seizures (G40.-)

Also known as

Alternate wording, synonyms, or specific conditions that fall under this code, listed to help confirm you've picked the right one.

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

Use additional code

This code represents an underlying condition. When a related manifestation is also present, coding convention calls for an additional code to be listed after this one.

code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)

Documentation support

General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.

•This is a non-billable header code. Documentation must support a more specific child code before this diagnosis can be reported on a claim.
•If the associated manifestation or related condition noted above is also documented, an additional code should be reported alongside this one.
•As a general rule, code to the highest level of specificity supported by the documentation in the medical record.

Child codes under G40.5

G40.50Epileptic seizures related to external causes, not intractablenon-billable header