All ICD10 Codes

S21.3

Non-Billable
ChapterS00–T88
Ranksubcategory
Official Description

Open wound of front wall of thorax with penetration into thoracic cavity

Use a more specific code (0 billable, 6 non-billable)
S21.30Unspecified open wound of front wall of thorax with penetration into thoracic cavityhas subcodesS21.31Laceration without foreign body of front wall of thorax with penetration into thoracic cavityhas subcodesS21.32Laceration with foreign body of front wall of thorax with penetration into thoracic cavityhas subcodesS21.33Puncture wound without foreign body of front wall of thorax with penetration into thoracic cavityhas subcodesS21.34Puncture wound with foreign body of front wall of thorax with penetration into thoracic cavityhas subcodesS21.35Open bite of front wall of thorax with penetration into thoracic cavityhas subcodes
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88).

Instructional Notes

Includes
  • Open wound of chest with penetration into thoracic cavity
General instructions are available for the parent sections:
View CH19 NotesView S20-S29 NotesView S21 Notes

Clinical Hierarchy

BillableHas subcodes
CH19Injury, poisoning and certain other consequences of external causes (S00-T88)
S20-S29Injuries to the thorax (S20-S29)
S21Open wound of thorax
S21.3Open wound of front wall of thorax with penetration into thoracic cavityNot billable
S21.30Unspecified open wound of front wall of thorax with penetration into thoracic cavitySubcodes
S21.31Laceration without foreign body of front wall of thorax with penetration into thoracic cavitySubcodes
S21.32Laceration with foreign body of front wall of thorax with penetration into thoracic cavitySubcodes
S21.33Puncture wound without foreign body of front wall of thorax with penetration into thoracic cavitySubcodes
S21.34Puncture wound with foreign body of front wall of thorax with penetration into thoracic cavitySubcodes
S21.35Open bite of front wall of thorax with penetration into thoracic cavitySubcodes

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to S21.3:

categoryS21
Open wound of thorax
View context instructions
blockS20-S29
Injuries to the thorax (S20-S29)
View context instructions
chapterCH19
Injury, poisoning and certain other consequences of external causes (S00-T88)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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