Is G40.419 a billable ICD-10-CM code?

Yes. G40.419 is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does G40.419 sit in the tabular list?

Diseases of the nervous system (G00-G99), in the block Episodic and paroxysmal disorders (G40-G47).

G40.419

G40.419 — Other generalized epilepsy and epileptic syndromes, intractable, without status epilepticus

Billable / specific codeICD-10-CM

G40.419 is a billable, specific ICD-10-CM code for other generalized epilepsy and epileptic syndromes, intractable, without status epilepticus. It is valid for submission on a claim.

Risk adjustment

G40.419 risk-adjusts. Under the CMS-HCC V28 model it maps to this category:

HCC 201 Seizure Disorders and Convulsions0.245 RAF

Coefficient shown for the Community Non-dual Aged segment. A higher HCC in the same hierarchy will suppress this one, so capturing it does not always add score.

Medicare coverage

G40.419 is named in 33 Medicare coverage policies — 33 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

A53134Billing and Coding: NCD Coding Article for Positron Emission Tomography (PET) Scans Used for Non-Oncologic Conditions
A54799Billing and Coding: Urine Drug Testing
A55001Billing and Coding: Urine Drug Testing
A56551Billing and Coding: Visual Fields Testing

How G40.419 is indexed

Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to G40.419.

Seizure›grand mal›intractable
Epilepsy, epileptic, epilepsia›generalized›specified NEC›intractable
Seizure›grand mal›intractable›without status epilepticus
Epilepsy, epileptic, epilepsia›generalized›specified NEC›intractable›without status epilepticus
Epilepsy, epileptic, epilepsia›syndromes›generalized›specified NEC›intractable
Epilepsy, epileptic, epilepsia›syndromes›generalized›specified NEC›intractable›without status epilepticus

Related codes at this level

Codes that share G40.41. If G40.419 is not quite right, the correct code is usually one of these.

G40.411Other generalized epilepsy and epileptic syndromes, intractable, with status epilepticus

Questions about G40.419

Is G40.419 a billable ICD-10-CM code?: Yes. G40.419 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does G40.419 sit in the tabular list?: Diseases of the nervous system (G00-G99), in the block Episodic and paroxysmal disorders (G40-G47).