S21.421A is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
Short description: Lac w fb of r bk wl of thorax w penet thoracic cavity, init
The 2023 edition of ICD-10-CM S21.421A became effective on October 1, 2022.
This is the American ICD-10-CM version of S21.421A – other international versions of ICD-10 S21.421A may differ.