Open wound of thorax
Requires 7th character
S21 requires a 7th character to be reported. Choose a complete code below.
Inclusion terms
Includes
- injuries of breast
- injuries of chest (wall)
- injuries of interscapular area
- Note: Use secondary code(s) from Chapter 20, External causes of morbidity, to indicate cause of injury. Codes within the T section that include the external cause do not require an additional external cause code
- Note: The chapter uses the S-section for coding different types of injuries related to single body regions and the T-section to cover injuries to unspecified body regions as well as poisoning and certain other consequences of external causes.
Excludes1
Not coded here — never report together with this code.
- traumatic amputation (partial) of thorax (S28.1)
Excludes2
Not included here — may be reported together when both conditions exist.
- birth trauma (P10-P15)
- obstetric trauma (O70-O71)
- burns and corrosions (T20-T32)
- effects of foreign body in bronchus (T17.5)
- effects of foreign body in esophagus (T18.1)
- effects of foreign body in lung (T17.8)
- effects of foreign body in trachea (T17.4)
- frostbite (T33-T34)
- injuries of axilla
- injuries of clavicle
- injuries of scapular region
- injuries of shoulder
- insect bite or sting, venomous (T63.4)
Use additional code
Add a code to identify the following, if applicable.
- code to identify any retained foreign body, if applicable (Z18.-)
Code also
An additional code may be needed.
7th character
This code requires a 7th character. Use the placeholder "X" for missing positions.
| Character | Meaning |
|---|---|
| A | initial encounter |
| D | subsequent encounter |
| S | sequela |
More specific codes S21
- S21.0Open wound of breastNeeds 7th char
- S21.1Open wound of front wall of thorax without penetration into thoracic cavityNeeds 7th char
- S21.2Open wound of back wall of thorax without penetration into thoracic cavityNeeds 7th char
- S21.3Open wound of front wall of thorax with penetration into thoracic cavityNeeds 7th char
- S21.4Open wound of back wall of thorax with penetration into thoracic cavityNeeds 7th char
- S21.9Open wound of unspecified part of thoraxNeeds 7th char
Related codes
- S20Superficial injury of thoraxNeeds 7th char
- S22Fracture of rib(s), sternum and thoracic spineNeeds 7th char
- S23Dislocation and sprain of joints and ligaments of thoraxNeeds 7th char
- S24Injury of nerves and spinal cord at thorax levelNeeds 7th char
- S25Injury of blood vessels of thoraxNeeds 7th char
- S26Injury of heartNeeds 7th char
- S27Injury of other and unspecified intrathoracic organsNeeds 7th char
- S28Crushing injury of thorax, and traumatic amputation of part of thoraxNeeds 7th char
- S29Other and unspecified injuries of thoraxNeeds 7th char