G90.5
Complex regional pain syndrome I (CRPS I)
Clinical Classification Guidelines
Inclusion Terms
- Reflex sympathetic dystrophy
Excludes Type 1
- causalgia of lower limb (G57.7-)
- causalgia of upper limb (G56.4-)
- complex regional pain syndrome II of lower limb (G57.7-)
- complex regional pain syndrome II of upper limb (G56.4-)
Medical Intelligence & Overview
Complex Regional Pain Syndrome I (CRPS I), also known as reflex sympathetic dystrophy, is a chronic pain condition that typically affects a limb after an injury or trauma. Although its precise cause remains unclear, CRPS I is characterized by intense, persistent pain along with changes in skin color, temperature, and swelling in the affected area. This condition can significantly impact daily life and functioning, making early recognition and management essential.
Causes & Symptoms
Clinical Causes: Previous injury or trauma to a limb, such as fractures, sprains, or surgeries Nerve damage or irritation following an injury Minor injuries that are disproportionate to the pain experienced Reduced circulation or abnormal immune response following trauma Certain medical conditions or infections that trigger nerve reactions
Key Symptoms: Intense, burning pain that may be disproportionate to the initial injury Swelling and stiffness in the affected limb Changes in skin color, which may appear blotchy, pale, or reddish Temperature variations—either feeling warmer or cooler than the opposite limb Sensitivity to touch or cold Muscle weakness or atrophy Vascular changes, such as sweating abnormalities Decreased or altered hair and nail growth in the affected area
Diagnostic & Treatment
Diagnosis Path: Diagnosis of CRPS I is primarily based on clinical evaluation, as there is no definitive test for the condition. Healthcare providers consider the patient's medical history, symptoms, and physical examination findings. Additional tools may include:
Treatment Protocols: While there is no cure for CRPS I, multiple treatment strategies aim to reduce pain and restore function. Management often involves a multidisciplinary approach, including:
Clinical Advice & FAQs
Billing Guidance
Is G90.5 a billable ICD-10 code?
Yes, G90.5 is a specific, billable code that can be used to indicate a diagnosis for reimbursement purposes.
Documentation
How do I report G90.5?
Clinical documentation must specify the nature of Complex regional pain syndrome I (CRPS I) and any associated comorbidities for accurate reporting.
Cite this Clinical Reference