337.22 RFLX SYM DYSTRPH LWR LMB


Code Information

Diagnosis Code: 337.22

Short Description: Rflx sym dystrph lwr lmb

Long Description: Reflex sympathetic dystrophy of the lower limb

Code Classification:

  • Diseases of the nervous system (320–359)
    • Hereditary and degenerative diseases of the central nervous system (330-337)
      • 337 Disorders of the autonomic nervous system
        • 337.22 Rflx sym dystrph lwr lmb

Code Version: 2015 ICD-9-CM


References to Index of Diseases and Injuries

The code 337.22 has the following ICD-9-CM references to the Index of Diseases and Injuries
  • Complex
    • regional pain syndrome 355.9
      • type I 337.20
        • lower limb 337.22
  • Dystrophy, dystrophia 783.9
    • sympathetic (posttraumatic) (reflex) 337.20
      • lower limb 337.22
  • Syndrome - see also Disease
    • pain - see also Pain
      • complex regional 355.9
        • type I 337.20
          • lower limb 337.22

Crosswalk Information

The code 337.22 converts into the following ICD-10 code(s):
ICD-9 Code ICD-10 Code ICD-10 Description
337.22 Right Arrow G90.529 Complex regional pain syndrome I of unspecified lower limb
This ICD-9 to ICD-10 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-9 Code ICD-9 Description
337.00 Idiopathic peripheral autonomic neuropathy, unspecified
337.01 Carotid sinus syndrome
337.09 Other idiopathic peripheral autonomic neuropathy
337.1 Peripheral autonomic neuropathy in disorders classified elsewhere
337.20 Reflex sympathetic dystrophy, unspecified
337.21 Reflex sympathetic dystrophy of the upper limb
337.29 Reflex sympathetic dystrophy of other specified site
337.3 Autonomic dysreflexia
337.9 Unspecified disorder of autonomic nervous system


This page was last updated on: 10/1/2014