Symptoms and signs involving the skin and subcutaneous tissue (R20-R23)
R20: Disturbances of skin sensation

excludes1
dissociative anesthesia and sensory loss (F44.6)
psychogenic disturbances (F45.8)
R20.0: Anesthesia of skin
R20.1: Hypoesthesia of skin
R20.2: Paresthesia of skin
R20.3: Hyperesthesia
R20.8: Other disturbances of skin sensation
R20.9: Unspecified disturbances of skin sensation

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