S82.64XJ
ICD-10-CMNondisplaced fracture of lateral malleolus of right fibula, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with delayed healing
This code signifies a fracture of the outer ankle bone (lateral malleolus) of the right fibula that has not shifted out of alignment. It specifically indicates that the fracture is an open fracture of severe type (IIIA, IIIB, or IIIC) and is currently in a phase of delayed healing.
Use this code for follow-up encounters where a patient with a previously diagnosed nondisplaced, open (Type IIIA, IIIB, or IIIC) fracture of the right lateral malleolus is presenting for ongoing management due to delayed healing. This applies when the fracture site is still open or has a significant soft tissue injury associated with it, and bone union is not progressing as expected.
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