T20.40 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
Short description: Corrosion of unsp degree of head, face, and neck, unsp site
The 2023 edition of ICD-10-CM T20.40 became effective on October 1, 2022.
This is the American ICD-10-CM version of T20.40 – other international versions of ICD-10 T20.40 may differ.