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2007 ICD-9-CM Volume 1 Diagnosis Codes Home > Diseases Of The Nervous System And Sense Organs 320-389 > Hereditary And Degenerative Diseases Of The Central Nervous System 330-338 > Disorders Of The Autonomic Nervous System 337.* > 2007 ICD-9-CM Diagnosis 337.2 Reflex sympathetic dystrophy This code may be outdated. View the most recent version of ICD-9-CM 337.2 A syndrome characterized by severe burning pain in an extremity accompanied by sudomotor, vasomotor, and trophic changes in bone without an associated specific nerve injury. This condition is most often precipitated by trauma to soft tissue or nerve complexes. The skin over the affected region is usually erythematous and demonstrates hypersensitivity to tactile stimuli and erythema. (Adams et al., Principles of Neurology, 6th ed, p1360; Pain 1995 Oct;63(1):127-33) 337.2 is a non-specific code that cannot be used to specify a diagnosis View the ICD-9-CM Volume 1 337.* hierarchy