Flail chest

• birth trauma (P10-P15)
• obstetric trauma (O70-O71)

code to identify any retained foreign body, if applicable (Z18.-)

• 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.

• fracture of thoracic neural arch
• fracture of thoracic spinous process
• fracture of thoracic transverse process
• fracture of thoracic vertebra
• fracture of thoracic vertebral arch

transection of thorax (S28.1)

• fracture of clavicle (S42.0-)
• fracture of scapula (S42.1-)

, if applicable, spinal cord injury (S24.0-, S24.1-)

• , if applicable, any associated condition such as:
• injury of intrathoracic organ (S27.-)
• traumatic hemopneumothorax (S27.2)
• traumatic hemothorax (S27.1-)
• traumatic pneumothorax (S27.0)

• A fracture not indicated as displaced or nondisplaced should be coded to displaced
• A fracture not indicated as open or closed should be coded to closed

The appropriate 7th character is to be added to each code from category S22

• injuries of breast
• injuries of chest (wall)
• injuries of interscapular area

• 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)