G90.1 (Familial dysautonomia [Riley-Day]) is a billable ICD-10-CM medical diagnosis code in the Diseases of the nervous system chapter. It identifies cases of familial dysautonomia [riley-day] for clinical documentation, billing and epidemiological tracking.

ICD-10-CM · Billable Code

G90.1Familial dysautonomia [Riley-Day]

Chapter G00-G99: Diseases of the nervous system

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Common questions about G90.1 (Familial dysautonomia [Riley-Day])

What does ICD-10 code G90.1 mean?
G90.1 is the ICD-10-CM 2025 code for Familial dysautonomia [Riley-Day]. ICD-10-CM is the medical coding system used by clinicians, hospitals and insurers worldwide to classify diseases and conditions in a standard way.
Is G90.1 a billable diagnosis code?
Yes, G90.1 is a billable / specific ICD-10-CM code, meaning it can be used by clinicians and hospitals as a primary or secondary diagnosis on claims and electronic health records.
Which ICD-10 chapter does G90.1 belong to?
G90.1 belongs to the chapter "Diseases of the nervous system" (codes G00-G99). ICD-10-CM organises codes into 22 chapters by body system or condition type, which helps clinicians navigate related diagnoses.
Where can I get plain-language information about Familial dysautonomia [Riley-Day]?
For a plain-language explanation of Familial dysautonomia [Riley-Day], ask GoDavaii's Health AI - it explains medical conditions in 22+ Indian languages, free, with no signup. Tap "Ask GoDavaii AI about Familial dysautonomia [Riley-Day]" above to get a personalised answer.

Source: ICD-10-CM 2025 (Centers for Medicare & Medicaid Services, public domain). Codes valid from October 1, 2024. CMS source ↗