Nondisplaced fracture of unspecified tibial tuberosity

• 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.

• burns and corrosions (T20-T32)
• frostbite (T33-T34)
• injuries of ankle and foot, except fracture of ankle and malleolus (S90-S99)
• insect bite or sting, venomous (T63.4)

fracture of malleolus

traumatic amputation of lower leg (S88.-)

• fracture of foot, except ankle (S92.-)
• periprosthetic fracture around internal prosthetic ankle joint (M97.2)
• periprosthetic fracture around internal prosthetic implant of knee joint (M97.1-)

• 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 open fracture designations are based on the Gustilo open fracture classification

The appropriate 7th character is to be added to all codes from category S82

Fracture of proximal end of tibia

• fracture of shaft of tibia (S82.2-)
• physeal fracture of upper end of tibia (S89.0-)