U.S. ICD-10-CM · FY 2027

G40-G47 ICD-10-CM Codes: Episodic and paroxysmal disorders

Browse the official section hierarchy and 307 code records in Vero’s FY 2027 U.S. ICD-10-CM reference dataset.

Official classification

About this section

G40-G47

Episodic and paroxysmal disorders

Chapter 6 · Diseases of the nervous system (G00-G99)

Category index

Categories in G40-G47

Open a category to browse its progressively more specific child codes. This hierarchy gives you access to all 307 records in the section.

Transparency

Source and release

Data release

U.S. ICD-10-CM · FY 2027

Effective date

Oct 1, 2026

This section reference is generated from Vero’s repository-backed ICD-10-CM section, description, and hierarchy datasets. The visible range, record count, links, FAQs, and structured data share those sources.

Review the CDC/NCHS ICD-10-CM source

Section guidance

Frequently asked questions

What does the ICD-10-CM range G40-G47 include?

G40-G47 is the FY 2027 U.S. ICD-10-CM section for “Episodic and paroxysmal disorders.” This page lists 307 records from Vero’s repository-backed dataset.

Which ICD-10-CM chapter contains G40-G47?

G40-G47 is listed in Chapter 6, Diseases of the nervous system (G00-G99).

How many ICD-10-CM records are listed in G40-G47?

Vero’s FY 2027 reference dataset contains 307 records in G40-G47. Use the individual code pages to review descriptions, hierarchy, and coding notes.

Is G40-G47 itself a billable ICD-10-CM code?

G40-G47 is a section range, not a billable diagnosis code. Select the most specific code supported by the documentation and confirm the active code set and payer requirements.

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