R20-R23
Symptoms and signs involving the skin and subcutaneous tissue
R20
Disturbances of skin sensation
R20.0
Primary diagnosis candidate
Anaesthesia of skin
R20.1
Primary diagnosis candidate
Hypoaesthesia of skin
R20.2
Primary diagnosis candidate
Paraesthesia of skin Formication
R20.3
Primary diagnosis candidate
Hyperaesthesia
R20.8
Primary diagnosis candidate
Other and unspecified disturbances of skin sensation
R21
Primary diagnosis candidate
Rash and other nonspecific skin eruption
R22
Localized swelling, mass and lump of skin and subcutaneous tissue
R22.0
Primary diagnosis candidate
Localized swelling, mass and lump, head
R22.1
Primary diagnosis candidate
Localized swelling, mass and lump, neck
R22.2
Primary diagnosis candidate
Localized swelling, mass and lump, trunk
R22.3
Primary diagnosis candidate
Localized swelling, mass and lump, upper limb
R22.4
Primary diagnosis candidate
Localized swelling, mass and lump, lower limb
R22.7
Primary diagnosis candidate
Localized swelling, mass and lump, multiple sites
R22.9
Primary diagnosis candidate
Localized swelling, mass and lump, unspecified
R23
Other skin changes
R23.0
Primary diagnosis candidate
Cyanosis
R23.1
Primary diagnosis candidate
Pallor
R23.2
Primary diagnosis candidate
Flushing
R23.3
Primary diagnosis candidate
Spontaneous ecchymoses
R23.4
Primary diagnosis candidate
Changes in skin texture
R23.8
Primary diagnosis candidate
Other and unspecified skin changes
