G90.50: Complex regional pain syndrome I, unspecified
G90.50 is the billable ICD-10-CM diagnosis code for Complex regional pain syndrome I, unspecified. It is a fully specified code, so it can be reported on a claim (subject to clinical documentation and your payer's rules).
Frequently asked questions
What is ICD-10-CM code G90.50?
G90.50 is the ICD-10-CM diagnosis code for Complex regional pain syndrome I, unspecified. It belongs to category G90 (Disorders of autonomic nervous system).
Is G90.50 a billable code?
Yes. G90.50 is a billable, fully specified ICD-10-CM code, so it can be used on a claim (subject to documentation and payer rules).
What category does G90.50 belong to?
G90.50 is part of ICD-10-CM category G90 — Disorders of autonomic nervous system, which has 42 billable codes.
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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