Symptoms and signs involving the skin and subcutaneous tissue (R20-R23)

R20Disturbances of skin sensation
Excludes 1: dissociative anesthesia and sensory loss (F44.6)
› psychogenic disturbances (F45.8)

R20.0Anesthesia of skin

R20.1Hypoesthesia of skin

R20.2Paresthesia of skin
› Formication
› Pins and needles
› Tingling skin
Excludes 1: acroparesthesia (I73.8)

R20.3Hyperesthesia

R20.8Other disturbances of skin sensation

R20.9Unspecified disturbances of skin sensation

R21Rash and other nonspecific skin eruption
Includes: rash NOS
Excludes 1: specified type of rash- code to condition
› vesicular eruption (R23.8)

R22Localized swelling, mass and lump of skin and subcutaneous tissue
Includes: subcutaneous nodules (localized)(superficial)
Excludes 1: abnormal findings on diagnostic imaging (R90-R93)
› edema (R60.-)
› enlarged lymph nodes (R59.-)
› localized adiposity (E65)
› swelling of joint (M25.4-)

R22.0Localized swelling, mass and lump, head

R22.1Localized swelling, mass and lump, neck

R22.2Localized swelling, mass and lump, trunk
Excludes 1: intra-abdominal or pelvic mass and lump (R19.0-)
› intra-abdominal or pelvic swelling (R19.0-)
Excludes 2: breast mass and lump (N63)

R22.3Localized swelling, mass and lump, upper limb

R22.30Localized swelling, mass and lump, unspecified upper limb

R22.31Localized swelling, mass and lump, right upper limb

R22.32Localized swelling, mass and lump, left upper limb

R22.33Localized swelling, mass and lump, upper limb, bilateral

R22.4Localized swelling, mass and lump, lower limb

R22.40Localized swelling, mass and lump, unspecified lower limb

R22.41Localized swelling, mass and lump, right lower limb

R22.42Localized swelling, mass and lump, left lower limb

R22.43Localized swelling, mass and lump, lower limb, bilateral

R22.9Localized swelling, mass and lump, unspecified

R23Other skin changes

R23.0Cyanosis
Excludes 1: acrocyanosis (I73.8)
› cyanotic attacks of newborn (P28.2)

R23.1Pallor
› Clammy skin

R23.2Flushing
› Excessive blushing
Code First: , if applicable, menopausal and female climacteric states (N95.1)

R23.3Spontaneous ecchymoses
› Petechiae
Excludes 1: ecchymoses of newborn (P54.5)
› purpura (D69.-)

R23.4Changes in skin texture
› Desquamation of skin
› Induration of skin
› Scaling of skin
Excludes 1: epidermal thickening NOS (L85.9)

R23.8Other skin changes

R23.9Unspecified skin changes