Symptoms and signs involving the skin and subcutaneous tissue

R20-R23

This section covers 31 ICD-10-CM codes (R20-R23) for symptoms and signs involving the skin and subcutaneous tissue, including disturbances of skin sensation, rash and other nonspecific skin eruption, and localized swelling, mass and lump of skin and subcutaneous tissue. 26 of these are billable codes usable on a claim; the rest are non-billable header categories that require a more specific child code.