ICD-10-CM Codes
G00-G99 Diseases of the nervous system
G40-G47 Episodic and paroxysmal disorders
G40- Epilepsy and recurrent seizures
2022 ICD-10-CM Diagnosis Code G40.89

2022 ICD-10-CM Diagnosis Code G40.89

Other seizures

2016

2017

2018

2019

2020

2021

2022

Billable/Specific Code

G40.89 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
The 2022 edition of ICD-10-CM G40.89 became effective on October 1, 2021.
This is the American ICD-10-CM version of G40.89 - other international versions of ICD-10 G40.89 may differ.

Type 1 Excludes

Type 1 Excludes Help

A type 1 excludes note is a pure excludes. It means "not coded here". A type 1 excludes note indicates that the code excluded should never be used at the same time as G40.89. A type 1 excludes note is for used for when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.

post traumatic seizures (
ICD-10-CM Diagnosis Code R56.1
Post traumatic seizures
Type 1 Excludes
- post traumatic epilepsy (G40.-)
R56.1
)
recurrent seizures NOS (
ICD-10-CM Diagnosis Code G40.909
Epilepsy, unspecified, not intractable, without status epilepticus
Applicable To
- Epilepsy NOS
- Epileptic convulsions NOS
- Epileptic fits NOS
- Epileptic seizures NOS
- Recurrent seizures NOS
- Seizure disorder NOS
G40.909
)
seizure NOS (
ICD-10-CM Diagnosis Code R56.9
Unspecified convulsions
Applicable To
- Convulsion disorder
- Fit NOS
- Recurrent convulsions
- Seizure(s) (convulsive) NOS
R56.9
)

The following code(s) above G40.89 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 G40.89:

G00-G99
2022 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
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
- hippocampal sclerosis (G93.81)
- mesial temporal sclerosis (G93.81)
- temporal sclerosis (G93.81)
- Todd's paralysis (G83.84)
Epilepsy and recurrent seizures
G40.8
ICD-10-CM Diagnosis Code G40.8
Other epilepsy and recurrent seizures
Applicable To
- Epilepsies and epileptic syndromes undetermined as to whether they are focal or generalized
- Landau-Kleffner syndrome
Other epilepsy and recurrent seizures

Approximate Synonyms

Benign rolandic epilepsy
Focal motor seizure
Generalized seizure
Seizure, generalized
Seizures, post-traumatic
Seizures, rolandic

ICD-10-CM G40.89 is grouped within Diagnostic Related Group(s) (MS-DRG v39.0):

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 G40.89 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

Diagnosis Index entries containing back-references to G40.89:

Seizure(s) R56.9
- see also Convulsions
ICD-10-CM Diagnosis Code R56.9
Unspecified convulsions
Applicable To
Convulsion disorder
Fit NOS
Recurrent convulsions
Seizure(s) (convulsive) NOS
- specified NEC G40.89

ICD-10-CM Codes Adjacent To G40.89

G40.813 …… intractable, with status epilepticus

G40.814 …… intractable, without status epilepticus

G40.82 Epileptic spasms

G40.821 …… not intractable, with status epilepticus

G40.822 …… not intractable, without status epilepticus

G40.823 …… intractable, with status epilepticus

G40.824 …… intractable, without status epilepticus

G40.83 Dravet syndrome

G40.833 …… intractable, with status epilepticus

G40.834 …… intractable, without status epilepticus

G40.89 Other seizures

G40.9 Epilepsy, unspecified

G40.90 Epilepsy, unspecified, not intractable

G40.901 …… with status epilepticus

G40.909 …… without status epilepticus

G40.91 Epilepsy, unspecified, intractable

G40.911 …… with status epilepticus

G40.919 …… without status epilepticus

G43 Migraine

G43.0 Migraine without aura

G43.00 Migraine without aura, not intractable

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

2022 ICD-10-CM Diagnosis Code G40.89

Other seizures

Post traumatic seizures

Epilepsy, unspecified, not intractable, without status epilepticus

Unspecified convulsions

Diseases of the nervous system

Epilepsy and recurrent seizures

Other epilepsy and recurrent seizures

Unspecified convulsions