S21.1

Non-billable

Open wound of front wall of thorax without penetration into thoracic cavity

S21.1 is the ICD-10-CM code for Open wound of front wall of thorax without penetration into thoracic cavity. It is a non-billable category code — use a more specific child code such as S21.10 for billing.

Status
Header (non-billable)
Chapter
S00-T88
Parent
S21
Subcodes
6
Edition
FY2026

S00-T88 Injury, poisoning and certain other consequences of external causes

Includes

  • Open wound of chest without penetration into thoracic cavity

Frequently asked questions

What is ICD-10 code S21.1?
S21.1 is the ICD-10-CM code for "Open wound of front wall of thorax without penetration into thoracic cavity". It falls under S00-T88 Injury, poisoning and certain other consequences of external causes.
Is S21.1 a billable code?
No — S21.1 is a non-billable header code. Use a more specific child code (such as S21.10) for billing.
What are the subcodes of S21.1?
S21.1 has 6 more specific child codes, including S21.10, S21.11, S21.12.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

Look up another ICD-10 code or condition

Powered by Eleplan

Free ICD-10 lookup is just the start. Eleplan keeps the whole care plan in one place.

Diagnoses, medications, documents, appointments, and the whole care team — organized and always in sync, with Ellie, your AI care assistant, on top of it. Free to start.