G90.1Billable
Familial dysautonomia [Riley-Day]
- Chapter
- 6. Diseases of the nervous system
- Category
- G90
- Effective date
- October 1, 2026
Related codes in category G90
G90Disorders of autonomic nervous systemG90.0Idiopathic peripheral autonomic neuropathyG90.01Carotid sinus syncopeYesG90.09Other idiopathic peripheral autonomic neuropathyYesG90.2Horner's syndromeYesG90.3Multi-system degeneration of the autonomic nervous systemYesG90.4Autonomic dysreflexiaYesG90.5Complex regional pain syndrome I (CRPS I)G90.50Complex regional pain syndrome I, unspecifiedYesG90.51Complex regional pain syndrome I of upper limbG90.511Complex regional pain syndrome I of right upper limbYesG90.512Complex regional pain syndrome I of left upper limbYes
Frequently asked questions
What is ICD-10 code G90.1?
G90.1 is an ICD-10-CM diagnosis code for Familial dysautonomia [Riley-Day].
Is G90.1 a billable code?
Yes. G90.1 is billable and specific enough to be used on a claim.
What ICD-10-CM chapter is G90.1 in?
G90.1 falls under Chapter 6: Diseases of the nervous system.
When did G90.1 become effective?
G90.1 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to G90.1?
G90.1 belongs to category G90, which includes 12 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.