S21.12 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
Short description: Lac w fb of front wall of thorax w/o penet thoracic cavity
The 2023 edition of ICD-10-CM S21.12 became effective on October 1, 2022.
This is the American ICD-10-CM version of S21.12 – other international versions of ICD-10 S21.12 may differ.