|  G56 |  | Mononeuropathies of upper limb   | 
	
		|  |  | 
	
		| Excludes1 | current traumatic nerve disorder - see nerve injury by body region 
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|  |  | 
	
		|  G56.0 |  | Carpal tunnel syndrome |  |  |  | 
	
		|  G56.00 |  | Carpal tunnel syndrome, unspecified upper limb |  |  |  |  | 
	
		|  G56.01 |  | Carpal tunnel syndrome, right upper limb |  |  |  |  | 
	
		|  G56.02 |  | Carpal tunnel syndrome, left upper limb |  |  |  |  | 
	
		|  G56.03 |  | Carpal tunnel syndrome, bilateral upper limbs |  |  | 
|  |  | 
	
		|  G56.1 |  | Other lesions of median nerve |  |  |  | 
	
		|  G56.10 |  | Other lesions of median nerve, unspecified upper limb |  |  |  |  | 
	
		|  G56.11 |  | Other lesions of median nerve, right upper limb |  |  |  |  | 
	
		|  G56.12 |  | Other lesions of median nerve, left upper limb |  |  |  |  | 
	
		|  G56.13 |  | Other lesions of median nerve, bilateral upper limbs |  |  | 
|  |  | 
	
		|  G56.2 |  | Lesion of ulnar nerve |  
		|  |  |  |  |  |  | 
	
		|  G56.20 |  | Lesion of ulnar nerve, unspecified upper limb |  |  |  |  | 
	
		|  G56.21 |  | Lesion of ulnar nerve, right upper limb |  |  |  |  | 
	
		|  G56.22 |  | Lesion of ulnar nerve, left upper limb |  |  |  |  | 
	
		|  G56.23 |  | Lesion of ulnar nerve, bilateral upper limbs |  |  | 
|  |  | 
	
		|  G56.3 |  | Lesion of radial nerve |  |  |  | 
	
		|  G56.30 |  | Lesion of radial nerve, unspecified upper limb |  |  |  |  | 
	
		|  G56.31 |  | Lesion of radial nerve, right upper limb |  |  |  |  | 
	
		|  G56.32 |  | Lesion of radial nerve, left upper limb |  |  |  |  | 
	
		|  G56.33 |  | Lesion of radial nerve, bilateral upper limbs |  |  | 
|  |  | 
	
		|  G56.4 |  | Causalgia of upper limb |  
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| Complex regional pain syndrome II of upper limb |  
		| Excludes1 | complex regional pain syndrome I of lower limb (G90.52-) complex regional pain syndrome I of upper limb (G90.51-)
 complex regional pain syndrome II of lower limb (G57.7-)
 reflex sympathetic dystrophy of lower limb (G90.52-)
 reflex sympathetic dystrophy of upper limb (G90.51-)
 
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		|  G56.40 |  | Causalgia of unspecified upper limb |  |  |  |  | 
	
		|  G56.41 |  | Causalgia of right upper limb |  |  |  |  | 
	
		|  G56.42 |  | Causalgia of left upper limb |  |  |  |  | 
	
		|  G56.43 |  | Causalgia of bilateral upper limbs |  |  | 
|  |  | 
	
		|  G56.8 |  | Other specified mononeuropathies of upper limb |  
		|  |  | 
| Interdigital neuroma of upper limb |  |  |  |  | 
	
		|  G56.80 |  | Other specified mononeuropathies of unspecified upper limb |  |  |  |  | 
	
		|  G56.81 |  | Other specified mononeuropathies of right upper limb |  |  |  |  | 
	
		|  G56.82 |  | Other specified mononeuropathies of left upper limb |  |  |  |  | 
	
		|  G56.83 |  | Other specified mononeuropathies of bilateral upper limbs |  |  | 
|  |  | 
	
		|  G56.9 |  | Unspecified mononeuropathy of upper limb |  |  |  | 
	
		|  G56.90 |  | Unspecified mononeuropathy of unspecified upper limb |  |  |  |  | 
	
		|  G56.91 |  | Unspecified mononeuropathy of right upper limb |  |  |  |  | 
	
		|  G56.92 |  | Unspecified mononeuropathy of left upper limb |  |  |  |  | 
	
		|  G56.93 |  | Unspecified mononeuropathy of bilateral upper limbs |  |  |