Oth nondisp fx of lower end of r humerus, init for opn fx

This code signifies a fracture of the lower portion of the right upper arm bone (humerus) that does not involve displacement of the bone fragments. The fracture is classified as "other," meaning it doesn't fit into more specific categories like supracondylar or intercondylar, and it is an open fracture, indicating a break in the skin communicating with the fracture site.

Apply this code for a patient presenting with an open, nondisplaced fracture of the distal right humerus, excluding supracondylar, epicondylar, or condylar types. This code is specifically for the initial treatment encounter for such an injury.

• Ensure documentation clearly specifies "nondisplaced" and "open fracture" for the lower end of the right humerus.
• Verify that this is the patient's first encounter for this specific injury to use the "B" seventh character.
• Distinguish from more specific distal humerus fracture types (e.g., S42.44- for supracondylar) before assigning this "other" category.