Osteomyelitis and Septic Arthritis- Surgery Hemiarthroplasty and Abx spacer placement

How would you code a patient who is having his Osteomyelitis and Septic Arthritis treated by hemiarthroplasty and abx placement?

Normal aftercare code of joint replacement (z47.1) would be inappropriate, but the infection of joint prosthesis doesnt seem accurate either. Is there a better code?
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