S52.045G
ICD-10-CMNondisplaced fracture of coronoid process of left ulna, subsequent encounter for closed fracture with delayed healing
This code signifies a fracture of the coronoid process, a small bony projection on the ulna (forearm bone), specifically on the left side. The fracture is "nondisplaced," meaning the bone fragments are still in their normal anatomical alignment. This particular code is used when the patient is receiving follow-up care for this fracture, and the healing process is taking longer than expected, but the skin over the fracture site remains intact (closed fracture).
Apply this code for a patient presenting for a follow-up visit for a previously diagnosed nondisplaced coronoid process fracture of the left ulna. This is appropriate when the physician documents that the fracture is not healing at the anticipated rate, requiring continued management. It is used after the initial treatment phase, indicating ongoing care for delayed union.
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