S21.421A
BillableLaceration with foreign body of right back wall of thorax with penetration into thoracic cavity, initial encounter
S21.421A is the ICD-10-CM code for Laceration with foreign body of right back wall of thorax with penetration into thoracic cavity, initial encounter. It is a billable, specific code valid for reimbursement.
S00-T88 Injury, poisoning and certain other consequences of external causes
What this means — in plain language
MedlinePlus · NIHYour back is made of bones, muscles, and other tissues extending from your neck to your pelvis. Back injuries can result from sports injuries, work around the house or in the garden, or a sudden jolt such as a car accident. The lower back is the most common site of back injuries and back pain . Common back injuries include : Sprains and strains Herniated disks Fractured (broken) vertebrae These injuries can cause…
Read more about Back Injuries at MedlinePlus ↗Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.
Frequently asked questions
- What is ICD-10 code S21.421A?
- S21.421A is the ICD-10-CM code for "Laceration with foreign body of right back wall of thorax with penetration into thoracic cavity, initial encounter". It falls under S00-T88 Injury, poisoning and certain other consequences of external causes.
- Is S21.421A a billable code?
- Yes — S21.421A is a billable, specific ICD-10-CM code valid for reimbursement.
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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