Chapter XVIII
Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified
(R00-R99)

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

R20 Disturbances of skin sensation

Excl.:
dissociative anaesthesia and sensory loss ( F44.6)
psychogenic disturbances ( F45.8)
R20.0 Anaesthesia of skin
R20.1 Hypoaesthesia of skin
R20.2 Paraesthesia of skin
Incl.:
Formication
Pins and needles
Tingling skin
Excl.:
acroparaesthesia ( I73.8)
R20.3 Hyperaesthesia
R20.8 Other and unspecified disturbances of skin sensation

R21 Rash and other nonspecific skin eruption

R22 Localized swelling, mass and lump of skin and subcutaneous tissue

Incl.:
subcutaneous nodules (localized)(superficial)
Excl.:
abnormal findings on diagnostic imaging ( R90-R93)
enlarged lymph nodes ( R59.-)
localized adiposity ( E65)
mass and lump:
  • breast (N63)
  • intra-abdominal or pelvic (R19.0)
oedema ( R60.-)
swelling (of):
R22.0 Localized swelling, mass and lump, head
R22.1 Localized swelling, mass and lump, neck
R22.2 Localized swelling, mass and lump, trunk
R22.3 Localized swelling, mass and lump, upper limb
R22.4 Localized swelling, mass and lump, lower limb
R22.7 Localized swelling, mass and lump, multiple sites
R22.9 Localized swelling, mass and lump, unspecified

R23 Other skin changes

R23.0 Cyanosis
Excl.:
acrocyanosis ( I73.8)
cyanotic attacks of newborn ( P28.2)
R23.1 Pallor
Incl.:
Clammy skin
R23.2 Flushing
Incl.:
Excessive blushing
Excl.:
menopausal and female climacteric states ( N95.1)
R23.3 Spontaneous ecchymoses
Incl.:
Petechiae
Excl.:
ecchymoses in fetus and newborn ( P54.5)
purpura ( D69.-)
R23.4 Changes in skin texture
Incl.:
  • Desquamation
  • Induration
  • Scaling
  • of skin
Excl.:
epidermal thickening NOS ( L85.9)
R23.8 Other and unspecified skin changes