I73.0Header code — not billable

Raynaud's syndrome

Chapter
9. Diseases of the circulatory system
Category
I73
Effective date
October 1, 2026

Related codes in category I73

Frequently asked questions

What is ICD-10 code I73.0?

I73.0 is an ICD-10-CM diagnosis code for Raynaud's syndrome.

Is I73.0 a billable code?

No. I73.0 is a category/header code, not billable on its own — use one of its more specific child codes instead.

What ICD-10-CM chapter is I73.0 in?

I73.0 falls under Chapter 9: Diseases of the circulatory system.

When did I73.0 become effective?

I73.0 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to I73.0?

I73.0 belongs to category I73, which includes 8 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.