In simple words: Skin peeling due to redness affecting 10-19% of the body.

Exfoliation due to erythematous condition involving 10-19 percent of body surface. Code first erythematous condition causing exfoliation, such as: Ritter's disease (L00), (Staphylococcal) scalded skin syndrome (L00), Stevens-Johnson syndrome (L51.1), Stevens-Johnson syndrome-toxic epidermal necrolysis overlap syndrome (L51.3), Toxic epidermal necrolysis (L51.2)

Example 1: A patient presents with Ritter's disease and has skin peeling on their chest and back, totaling approximately 15% of their body surface area., A patient experiencing Stevens-Johnson syndrome has epidermal necrolysis affecting 12% of their body surface., A child with Staphylococcal scalded skin syndrome has skin exfoliation on their arms and legs, estimated to be 18% of their body surface area.

Documentation should clearly state the underlying erythematous condition causing the exfoliation (e.g., Ritter's disease, Stevens-Johnson syndrome, etc.) and specify the percentage of body surface area involved.