I73.0

Non-billable (Header)

Raynaud's syndrome

Diseases of the circulatory system (I00-I99)

⚠️ This is a category header code — not billable. Use a more specific child code below.

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Also Known As

Raynaud's diseaseRaynaud's phenomenon (secondary)

⚠️ Excludes2

inherited from I73

Rules from parent category I73: Other peripheral vascular diseases

  • chilblains (T69.1)
  • frostbite (T33-T34)
  • immersion hand or foot (T69.0-)
  • spasm of cerebral artery (G45.9)

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Code Information

CodeI73.0
BillableNo — Header code
ParentI73
CategoryDiseases of the circulatory system (I00-I99)
Excludes10 rule(s)
Excludes24 note(s)
Child codes2

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)