G90.522
✓ BillableComplex regional pain syndrome I of left lower limb
Diseases of the nervous system (G00-G99)
✅ No additional coding notes for G90.522
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CodeG90.522
BillableYes
ParentG90.52
CategoryDiseases of the nervous system (G00-G99)
Excludes10 rule(s)
Excludes20 note(s)
Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)