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-)

-- 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