Open bite of unspecified eyelid and periocular area

• 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 ear
• injuries of eye
• injuries of face [any part]
• injuries of gum
• injuries of jaw
• injuries of oral cavity
• injuries of palate
• injuries of periocular area
• injuries of scalp
• injuries of temporomandibular joint area
• injuries of tongue
• injuries of tooth

• burns and corrosions (T20-T32)
• effects of foreign body in ear (T16)
• effects of foreign body in larynx (T17.3)
• effects of foreign body in mouth NOS (T18.0)
• effects of foreign body in nose (T17.0-T17.1)
• effects of foreign body in pharynx (T17.2)
• effects of foreign body on external eye (T15.-)
• frostbite (T33-T34)
• insect bite or sting, venomous (T63.4)

for any associated infection

open skull fracture (S02.- with 7th character B)

• injury of eye and orbit (S05.-)
• traumatic amputation of part of head (S08.-)

• any associated:
• injury of cranial nerve (S04.-)
• injury of muscle and tendon of head (S09.1-)
• intracranial injury (S06.-)
• wound infection

The appropriate 7th character is to be added to each code from category S01

Open wound of eyelid and periocular area with or without involvement of lacrimal passages

Bite of eyelid and periocular area NOS

superficial bite of eyelid and periocular area (S00.26, S00.27)