MG30.04 Complex regional pain syndrome

International Classification of Diseases for Mortality and Morbidity Statistics, 11th Revision, v2025-01

Complex regional pain syndrome (CRPS) is a chronic pain condition in an extremity with a variable course over time. It is characterized by continuing regional pain (not in a specific nerve territory or dermatome), usually with distal predominance or distal-to-proximal gradient. It typically arises after tissue trauma and is seemingly disproportionate in magnitude or duration to the usual course of pain after such tissue trauma. CRPS is characterized by signs indicating autonomic and neuro-inflammatory changes in the affected body region varying between patients and over time. Often, CRPS is accompanied by significant emotional distress or functional disability. CRPS is multifactorial.

postcoordination

synonyms

• Complex regional pain syndrome
• CRPS - [complex regional pain syndrome]
• algoneurodystrophy (deprecated)
• Complex regional pain syndrome type I
• shoulder-hand syndrome
• Reflex sympathetic dystrophy
• reflex dystrophy
• sympathetic dystrophy
• sympathetic reflex dystrophia
• steinbrocker syndrome
• Sudeck atrophy
• CRPS Type I - [complex regional pain syndrome type 1]
• arm-shoulder syndrome
• Complex regional pain syndrome type II
• CRPS Type II - [complex regional pain syndrome type 2]
• Causalgia
• causalgia NOS
• deafferentation pain
• causalgia syndrome

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