G56.4 Causalgia of upper limb

Coding Notes

Active
Non-billable / Non-specific, not valid for HIPAA-covered transactions

Type 1 Excludes

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-)

Applicable To

Complex regional pain syndrome II of upper limb

Child Codes


Sibling Codes


Parent Sibling Codes


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Code Title
G00-G99 Diseases of the nervous system (G00-G99)
G50-G59 Nerve, nerve root and plexus disorders (G50-G59)
G56 Mononeuropathies of upper limb
G56.4 Causalgia of upper limb
Type 1 Excludes
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-)

Applicable to
Complex regional pain syndrome II of upper limb

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