S21.92
Laceration with foreign body of unspecified part of thorax
Not billable — category only FY2026 2025-10-01 → 2026-09-30
This is the unspecified option. 5 more
specific codes sit alongside it. Worth
checking whether the documentation supports one of them.
Exclusions 14 never code together
S20-S29block
Excludes2
- burns and corrosions (T20-T32)T20-T32
- effects of foreign body in bronchus (T17.5)T17.5
- effects of foreign body in esophagus (T18.1)T18.1
- effects of foreign body in lung (T17.8)T17.8
- effects of foreign body in trachea (T17.4)T17.4
- frostbite (T33-T34)T33-T34
- injuries of axilla
- injuries of clavicle
- injuries of scapular region
- injuries of shoulder
- insect bite or sting, venomous (T63.4)T63.4
Excludes1 — never code together. The excluded condition and this one are mutually exclusive.
Excludes2 — not included here, but the patient may have both. Code both when documented.
7th character 3
A initial encounter
D subsequent encounter
S sequela
Instructional notes 16
S21code
Code also
- any associated injury, such as:
- injury of heart (S26.-)S26.-
- injury of intrathoracic organs (S27.-)S27.-
- rib fracture (S22.3-, S22.4-)S22.3-S22.4-
- spinal cord injury (S24.0-, S24.1-)S24.0-S24.1-
- traumatic hemopneumothorax (S27.3)S27.3
- traumatic hemothorax (S27.1)S27.1
- traumatic pneumothorax (S27.0)S27.0
- wound infection
S21.9code
Inclusion terms
- Open wound of thoracic wall NOS
S20-S29block
Includes
- injuries of breast
- injuries of chest (wall)
- injuries of interscapular area
S00-T88chapter
Notes
- 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
- 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.
Use additional code
- code to identify any retained foreign body, if applicable (Z18.-)Z18.-
Alongside this code 5 same parent — S21.9
S21.90 Unspecified open wound of unspecified part of thorax category S21.91 Laceration without foreign body of unsp part of thorax category S21.93 Puncture wound without foreign body of unsp part of thorax category S21.94 Puncture wound with foreign body of unsp part of thorax category S21.95 Open bite of unspecified part of thorax category
Additional references
AHA Coding Clinic® Licence required
Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.