G90.522
✓ Billable
Complex regional pain syndrome I of left lower limb
ICD-10-CM · FY2026 · Diseases of the Nervous System
Code
G90.522
System
ICD-10-CM
Billable
Yes — valid for submission
Effective
FY2026
Chapter
Diseases of the Nervous System
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code G90.522?
ICD-10-CM code G90.522 represents Complex regional pain syndrome I of left lower limb. It is a billable diagnosis code in the Diseases of the Nervous System chapter, effective October 1, 2025 – September 30, 2026.
Is G90.522 billable?
Yes. G90.522 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.
What chapter is G90.522 in?
G90.522 belongs to the Diseases of the Nervous System chapter (G00–G99) of ICD-10-CM.
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