S21.2

Hierarchy

Where S21.2 sits in the official hierarchy. Each level is the code it is classified under.

1. S21 Parent Open wound of thorax
2. S21.2 This code Open wound of back wall of thorax without penetration into thoracic cavity

Official Coding Notes

Reproduced verbatim from the FY 2027 ICD-10-CM files. Notes labelled as inherited are declared on a parent code and apply here too.

• S21.20 Unspecified open wound of back wall of thorax without penetration into thoracic cavity Has subcodes
• S21.21 Laceration without foreign body of back wall of thorax without penetration into thoracic cavity Has subcodes
• S21.22 Laceration with foreign body of back wall of thorax without penetration into thoracic cavity Has subcodes
• S21.23 Puncture wound without foreign body of back wall of thorax without penetration into thoracic cavity Has subcodes
• S21.24 Puncture wound with foreign body of back wall of thorax without penetration into thoracic cavity Has subcodes
• S21.25 Open bite of back wall of thorax without penetration into thoracic cavity Has subcodes

Version History

How S21.2 appears in each release imported from the official files, newest first.

1. FY 2027 Effective October 1, 2026

   Current

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

2. FY 2026 Effective October 1, 2025

   Unchanged

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