G40.919 is the authoritative medical code for Epilepsy, unspecified, intractable, without status epilepticus. This classification is used in medical billing and clinical recording to specify the clinical criteria for epilepsy, unspecified, intractable, without status epilepticus (ICD-10-CM G40.919), ensuring healthcare documentation aligns with 2026 federal coding standards.
Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.
Official Registry Overview & Definition
Epilepsy, unspecified, intractable, without status epilepticus is a billable ICD-10-CM diagnosis code G40.919. Excludes1 (not coded here): 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 (not included here): hippocampal sclerosis G93.81; mesial temporal sclerosis G93.81; temporal sclerosis G93.81; Todd's paralysis G83.84.
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for G40.919 in the official ICD-10-CM tabular list.
Excludes1 — Not Coded Here
Conditions that can never be reported with this code; the two are mutually exclusive.
- 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 — Not Included Here
Conditions not covered by this code, but which may be reported alongside it when both are present.
- hippocampal sclerosis G93.81
- mesial temporal sclerosis G93.81
- temporal sclerosis G93.81
- Todd's paralysis G83.84
Frequently Asked Questions (FAQ) & Clinical Guidance
What can't be coded together with G40.919?
Per Excludes1 instructions, G40.919 must not be reported with: conversion disorder with seizures (F44.5); convulsions NOS (R56.9); post traumatic seizures (R56.1); seizure (convulsive) NOS (R56.9).
Can G40.919 be reported alongside related conditions?
Per Excludes2 instructions, G40.919 and the following may both be reported when both are present: hippocampal sclerosis (G93.81); mesial temporal sclerosis (G93.81); temporal sclerosis (G93.81); Todd's paralysis (G83.84).
Codes in This Family (40)
Official ICD-10-CM classifications in the same code family as G40.919, with their registry titles.
- G40 — Epilepsy and recurrent seizures
- G40-G47 — Episodic and paroxysmal disorders (G40-G47)
- G40.0 — Localization-related (focal) (partial) idiopathic epilepsy and epileptic syndromes with seizures of localized onset
- G40.00 — Localization-related (focal) (partial) idiopathic epilepsy and epileptic syndromes with seizures of localized onset, not intractable
- G40.001 — Localization-related (focal) (partial) idiopathic epilepsy and epileptic syndromes with seizures of localized onset, not intractable, with status epilepticus
- G40.009 — Localization-related (focal) (partial) idiopathic epilepsy and epileptic syndromes with seizures of localized onset, not intractable, without status epilepticus
- G40.01 — Localization-related (focal) (partial) idiopathic epilepsy and epileptic syndromes with seizures of localized onset, intractable
- G40.011 — Localization-related (focal) (partial) idiopathic epilepsy and epileptic syndromes with seizures of localized onset, intractable, with status epilepticus
- G40.019 — Localization-related (focal) (partial) idiopathic epilepsy and epileptic syndromes with seizures of localized onset, intractable, without status epilepticus
- G40.1 — Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with simple partial seizures
- G40.10 — Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with simple partial seizures, not intractable
- G40.101 — Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with simple partial seizures, not intractable, with status epilepticus
- G40.109 — Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with simple partial seizures, not intractable, without status epilepticus
- G40.11 — Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with simple partial seizures, intractable
- G40.111 — Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with simple partial seizures, intractable, with status epilepticus
- G40.119 — Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with simple partial seizures, intractable, without status epilepticus
- G40.2 — Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with complex partial seizures
- G40.20 — Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with complex partial seizures, not intractable
- G40.201 — Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with complex partial seizures, not intractable, with status epilepticus
- G40.209 — Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with complex partial seizures, not intractable, without status epilepticus
- G40.21 — Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with complex partial seizures, intractable
- G40.211 — Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with complex partial seizures, intractable, with status epilepticus
- G40.219 — Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with complex partial seizures, intractable, without status epilepticus
- G40.3 — Generalized idiopathic epilepsy and epileptic syndromes
- G40.30 — Generalized idiopathic epilepsy and epileptic syndromes, not intractable
- G40.301 — Generalized idiopathic epilepsy and epileptic syndromes, not intractable, with status epilepticus
- G40.309 — Generalized idiopathic epilepsy and epileptic syndromes, not intractable, without status epilepticus
- G40.31 — Generalized idiopathic epilepsy and epileptic syndromes, intractable
- G40.311 — Generalized idiopathic epilepsy and epileptic syndromes, intractable, with status epilepticus
- G40.319 — Generalized idiopathic epilepsy and epileptic syndromes, intractable, without status epilepticus
- G40.4 — Other generalized epilepsy and epileptic syndromes
- G40.40 — Other generalized epilepsy and epileptic syndromes, not intractable
- G40.401 — Other generalized epilepsy and epileptic syndromes, not intractable, with status epilepticus
- G40.409 — Other generalized epilepsy and epileptic syndromes, not intractable, without status epilepticus
- G40.41 — Other generalized epilepsy and epileptic syndromes, intractable
- G40.411 — Other generalized epilepsy and epileptic syndromes, intractable, with status epilepticus
- G40.419 — Other generalized epilepsy and epileptic syndromes, intractable, without status epilepticus
- G40.42 — Cyclin-Dependent Kinase-Like 5 Deficiency Disorder
- G40.5 — Epileptic seizures related to external causes
- G40.50 — Epileptic seizures related to external causes, not intractable
Indexed Clinical Terms (4)
Clinical term phrases from the official ICD-10-CM Index to Diseases and Injuries that map to this code.
- Disorder (of), seizure, intractable
- Epilepsy, epileptic, epilepsia (attack) (cerebral) (convulsion) (fit) (seizure), intractable
- Epilepsy, epileptic, epilepsia (attack) (cerebral) (convulsion) (fit) (seizure), intractable, without status epilepticus
- Seizure (s), intractable
Related Codes & Numerical Sequence (Crawl Map)
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