ICD 10 CODES FOR RSDS, CRPS - INTERNATIONAL DISEASE CODES
Here are the ICD 10 Codes, to replace the current ICD 9 Codes (ICD = International Disease Codes). These codes are supposed to be used by Drs around the world to help differentiate between the various types of CRPS.

G90.5 Complex regional pain syndrome I (CRPS I)
REFLEX SYMPATHETIC DYSTROPHY

Excludes1: 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-)

G90.50 Complex regional pain syndrome, unspecified
G90.51 Complex regional pain syndrome of upper limb
G90.511 Complex regional pain syndrome of right upper limb 
G90.512 Complex regional pain syndrome of left upper limb 
G90.513 Complex regional pain syndrome of upper limb, bilateral 
G90.519 Complex regional pain syndrome of unspecified upper limb

G90.52 Complex regional pain syndrome of lower limb
G90.521 Complex regional pain syndrome of right lower limb 
G90.522 Complex regional pain syndrome of left lower limb 
G90.523 Complex regional pain syndrome of lower limb, bilateral 
G90.529 Complex regional pain syndrome of unspecified lower limb

G90.59 Complex regional pain syndrome of other specified site

INTERNATIONAL DISEASE CODES FOR RSDS - (these are the old Codes)
International Disease Code Numbers assigned to the various types of RSD;

337.20 Unspecified site 
337.21 Upper Extremity 
337.22 Lower Extremity 
337.29 Other Specified Site