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ICD-10-CM Code for Lennox-Gastaut syndrome G40.81

ICD-10 code G40.81 for Lennox-Gastaut syndrome is a medical classification as listed by WHO under the range - Diseases of the nervous system .

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Official Long Descriptor

Lennox-Gastaut syndrome

G40

Excludes1: conversion disorder with seizures (F44.5)
convulsions NOS (R56.9)
post traumatic seizures (R56.1)
seizure (convulsive) NOS (R56.9)
seizure of newborn (P90)

Excludes2: hippocampal sclerosis (G93.81)
mesial temporal sclerosis (G93.81)
temporal sclerosis (G93.81)
Todd's paralysis (G83.84)

 
G40.81 Lennox-Gastaut syndrome
Child Code
Lennox-Gastaut syndrome, not intractable, with status epilepticus
Child Code
Lennox-Gastaut syndrome, not intractable, without status epilepticus
Child Code
Lennox-Gastaut syndrome, intractable, with status epilepticus
Child Code
Lennox-Gastaut syndrome, intractable, without status epilepticus

Additional/Related Information

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Get crucial instructions for accurate ICD-10-CM G40.81 coding with all applicable Excludes 1 and Excludes 2 notes from the section level conveniently shown with each code.
This section shows you chapter-specific coding guidelines to increase your understanding and correct usage of the target ICD-10-CM Volume 1 code.

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2021 regular OB visit- column 1
Hello I hope this helps. I'm a current coder for OB GYN and I use for an uncomplicated pregnancy for a routine visit as Z34.9X 1 for first trimester, 2 for second and 3 for third. The only time you wo... [ Read More ]
E/M level with ETOH counsel
I'm hoping someone can provide direction Provider documents 45 minutes spent with patient and his mother, over 50% of which was face to face counselling regarding ETOH use and GI bleeding, and devel... [ Read More ]
Documentation for a DX
I can't comment on whether that it is a diagnostic statement without seeing all the documentation but I can say, seizure NOS (R56.9) is not coded the same as seizure disorder NOS (G40.909). R codes i... [ Read More ]
Post Traumatic Epilepsy
I think G40.509 is correct, there is an exclude note under R56.1 post traumatic seizures. Exclude 1 (Post traumatic epilepsy (G40.-)... [ Read More ]
Post Traumatic Epilepsy
[b]Epilepsy secondary to traumatic brain injury[/b] Could someone please suggest the best code for epilepsy following head injury in ICD-10? The code I'm leaning towards is G40.509, as the trauma co... [ Read More ]
Epilepsy, unspecified, intractable, without status epilepticus
Good morning! G40.919 was listed as the primary dx for one of my provider's encounters, and for some reason it is coming back as an invalid dx. The only thing I can see that might be off is that in t... [ Read More ]
CANPC Anesthesiology coding essentials book 62 p. (20-45)
CANPC Anesthesiology coding essentials for successful anesthesiology coding by Vino C. Mody Jr., M.D., COC, CPC, CCS-P, CANPC, CCVTC Case 20 Anesthesiologist personally provided the anesthesiology for... [ Read More ]
icd 10 code
Does anyone know which seizure code you would choose if a patient had a first time generalized tonic clonic seizure due to a meningioma? G40.409? R56.9? Thank you for your help... [ Read More ]
Icd-10 z96.9
I have a question about a secondary dx of Z96.9. Does this code (or another code) need to be used in an office setting to indicate the presence of an implanted neurostimulator? Primary dx would be G4... [ Read More ]
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