Symptoms and signs involving the skin and subcutaneous tissue

R20Disturbances of skin sensation

• R20.0Anesthesia of skin
• R20.1Hypoesthesia of skin
• R20.2Paresthesia of skin
• R20.3Hyperesthesia
• R20.8Other disturbances of skin sensation
• R20.9Unspecified disturbances of skin sensation

R21Rash and other nonspecific skin eruption

R22Localized swelling, mass and lump of skin and subcutaneous tissue

• R22.0Localized swelling, mass and lump, head
• R22.1Localized swelling, mass and lump, neck
• R22.2Localized swelling, mass and lump, trunk
• R22.3Localized swelling, mass and lump, upper limb
• R22.4Localized swelling, mass and lump, lower limb
• R22.9Localized swelling, mass and lump, unspecified

R23Other skin changes

• R23.0Cyanosis
• R23.1Pallor
• R23.2Flushing
• R23.3Spontaneous ecchymoses
• R23.4Changes in skin texture
• R23.8Other skin changes
• R23.9Unspecified skin changes