Unsp fracture of oth metacarpal bone, init for clos fx

This code signifies a fracture of a metacarpal bone, excluding the thumb (first metacarpal), where the specific metacarpal involved is not documented. It indicates that the skin over the fracture site is intact, and this is the initial encounter for treatment.

This code is appropriate for cases of a newly diagnosed, closed fracture of a metacarpal bone (second through fifth) when the medical record does not specify which particular metacarpal is affected. It should be used for the initial treatment phase of such an injury.

• Only use this code when the specific metacarpal (e.g., second, third) is truly unspecified in the documentation.
• Ensure the encounter is for the initial treatment of the fracture, not subsequent care.
• Verify the fracture is documented as closed; open fractures require different coding.