Fracture of trapezium [larger multangular]

• 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)
• insect bite or sting, venomous (T63.4)

traumatic amputation of wrist and hand (S68.-)

fracture of distal parts of ulna and radius (S52.-)

• 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 S62

fracture of scaphoid of wrist (S62.0-)