S42.456B
ICD-10-CMNondisplaced fracture of lateral condyle of unspecified humerus, initial encounter for open fracture
This code describes a break in the outer bony prominence of the upper arm bone (humerus) that has not shifted from its normal anatomical position. The fracture is open, meaning there is a break in the skin and soft tissue communicating with the fracture site. This particular code is for the initial treatment of such an injury to an unspecified arm.
Use this code for a patient presenting with an acute, traumatic injury to the humerus where imaging confirms a nondisplaced fracture of the lateral condyle. This is appropriate when the fracture is documented as an open fracture and the patient is receiving initial active treatment for the injury.
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