Unspecified displaced fracture of fourth cervical vertebra

• 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 cervical neural arch
• fracture of cervical spine
• fracture of cervical spinous process
• fracture of cervical transverse process
• fracture of cervical vertebral arch
• fracture of neck

any associated cervical spinal cord injury (S14.0, S14.1-)

• 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 all codes from subcategories S12.0-S12.6

• injuries of nape
• injuries of supraclavicular region
• injuries of throat

• burns and corrosions (T20-T32)
• effects of foreign body in esophagus (T18.1)
• effects of foreign body in larynx (T17.3)
• effects of foreign body in pharynx (T17.2)
• effects of foreign body in trachea (T17.4)
• frostbite (T33-T34)
• insect bite or sting, venomous (T63.4)