Subluxation and dislocation of C4/C5 cervical vertebrae

• 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.

• 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)

• avulsion of joint or ligament at neck level
• laceration of cartilage, joint or ligament at neck level
• sprain of cartilage, joint or ligament at neck level
• traumatic hemarthrosis of joint or ligament at neck level
• traumatic rupture of joint or ligament at neck level
• traumatic subluxation of joint or ligament at neck level
• traumatic tear of joint or ligament at neck level

strain of muscle or tendon at neck level (S16.1)

any associated open wound

The appropriate 7th character is to be added to each code from category S13

fracture of cervical vertebrae (S12.0-S12.3-)

• any associated:
• open wound of neck (S11.-)
• spinal cord injury (S14.1-)