icd 10 ingrown toenail is the ICD-10 code for an ingrown toenail is L60.0. In the International Classification of Diseases, 10th Revision (ICD-10), this code is used to classify diseases and conditions related to ingrown toenails. It specifically refers to the condition known as "Ingrowing nail," which is characterized by the edge of the nail growing into the skin, causing pain, inflammation, and potentially leading to infection.