Displaced oblique fracture of shaft of humerus, unspecified arm

• 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 axilla
• injuries of scapular region

• burns and corrosions (T20-T32)
• frostbite (T33-T34)
• injuries of elbow (S50-S59)
• insect bite or sting, venomous (T63.4)

traumatic amputation of shoulder and upper arm (S48.-)

periprosthetic fracture around internal prosthetic shoulder joint (M97.3)

• 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 category S42

• Fracture of humerus NOS
• Fracture of upper arm NOS

• physeal fractures of upper end of humerus (S49.0-)
• physeal fractures of lower end of humerus (S49.1-)