S21.4 - Open wound of back wall of thorax with penetration into thoracic cavity

Applicable to Open wound of back wall of thorax with penetration into thoracic cavity
The 2025 edition of ICD10-CM S21.4 became effective on October 1, 2024.
This is the American ICD10-CM version of S21.4 - other international versions of ICD10 S21.4 may differ.
S21.4 is a Non-Billable / Non-Specific ICD10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
S21.4 Code should not be used for billing or reimbursement purposes as there are multiple ICD-10 CM codes below it that contain a greater level of detail.

S21.4 - Open wound of back wall of thorax with penetration into thoracic cavity
- S21.4 - Open wound of back wall of thorax with penetration into thoracic cavity
- S21.40 - Unspecified open wound of back wall of thorax with penetration into thoracic cavity
- S21.401 - Unspecified open wound of right back wall of thorax with penetration into thoracic cavity
- S21.402 - Unspecified open wound of left back wall of thorax with penetration into thoracic cavity
- S21.409 - Unspecified open wound of unspecified back wall of thorax with penetration into thoracic cavity
- S21.41 - Laceration without foreign body of back wall of thorax with penetration into thoracic cavity
- S21.411 - Laceration without foreign body of right back wall of thorax with penetration into thoracic cavity
- S21.412 - Laceration without foreign body of left back wall of thorax with penetration into thoracic cavity
- S21.419 - Laceration without foreign body of unspecified back wall of thorax with penetration into thoracic cavity
- S21.42 - Laceration with foreign body of back wall of thorax with penetration into thoracic cavity
- S21.421 - Laceration with foreign body of right back wall of thorax with penetration into thoracic cavity
- S21.422 - Laceration with foreign body of left back wall of thorax with penetration into thoracic cavity
- S21.429 - Laceration with foreign body of unspecified back wall of thorax with penetration into thoracic cavity
- S21.43 - Puncture wound without foreign body of back wall of thorax with penetration into thoracic cavity
- S21.431 - Puncture wound without foreign body of right back wall of thorax with penetration into thoracic cavity
- S21.432 - Puncture wound without foreign body of left back wall of thorax with penetration into thoracic cavity
- S21.439 - Puncture wound without foreign body of unspecified back wall of thorax with penetration into thoracic cavity
- S21.44 - Puncture wound with foreign body of back wall of thorax with penetration into thoracic cavity
- S21.441 - Puncture wound with foreign body of right back wall of thorax with penetration into thoracic cavity
- S21.442 - Puncture wound with foreign body of left back wall of thorax with penetration into thoracic cavity
- S21.449 - Puncture wound with foreign body of unspecified back wall of thorax with penetration into thoracic cavity
- S21.45 - Open bite of back wall of thorax with penetration into thoracic cavity
- S21.451 - Open bite of right back wall of thorax with penetration into thoracic cavity
- S21.452 - Open bite of left back wall of thorax with penetration into thoracic cavity
- S21.459 - Open bite of unspecified back wall of thorax with penetration into thoracic cavity

Non-Billable/Non-Specific Code

The following codes above S21.4 contain annotation back-references that may be applicable to S21.4:

Chapter: S00-T88 - Injury, poisoning and certain other consequences of external causes
Section: S20-S29 - Injuries to the thorax
Category: S21 - Open wound of thorax