G90.51
Non-billableComplex regional pain syndrome I of upper limb
G90.51 is the ICD-10-CM code for Complex regional pain syndrome I of upper limb. It is a non-billable category code — use a more specific child code such as G90.511 for billing.
G00-G99 Diseases of the nervous system
What this means — in plain language
MedlinePlus · NIHComplex regional pain syndrome (CRPS) is a chronic pain condition. It causes intense pain, usually in the arms, hands, legs, or feet. It may happen after an injury, either to a nerve or to tissue in the affected area. Rest and time may only make it worse. Symptoms in the affected area are: Dramatic changes in skin temperature, color, or texture Intense burning pain Extreme skin sensitivity Swelling and stiffness in…
Read more about Complex Regional Pain Syndrome at MedlinePlus ↗Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.
Medications indicated for this condition
FDA labelingDrugs whose FDA labeling lists this condition's category among its indications. Informational only — not a treatment recommendation or medical advice.
Conditions mapped to this code
MedlinePlus · NIHPlain-language health-topic references grounded in MedlinePlus (NIH/NLM).
Frequently asked questions
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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