The ICD-10 code range for Symptoms and signs involving the skin and subcutaneous tissue R20-R23 is medical classification list by the World Health Organization (WHO).
ICD-10 Code range (R20-R23), Symptoms and signs involving the skin and subcutaneous tissue contains ICD-10 codes for Other skin changes, Cyanosis, Pallor, Flushing, Spontaneous ecchymoses, Changes in skin texture, Other skin changes, Unspecified skin changes