AHA Coding Clinic® for ICD-9 - 2014 Issue 1; Ask the Editor

Infected Total Knee Replacement due to Corynebacterium Diphtheriae

A patient was admitted to the hospital for treatment of an infected total knee arthroplasty and wound dehiscence. During the hospitalization the wound culture grew Corynebacterium diphtheriae. The specific culture results showed, “Corynebacterium species heavy growth, no anaerobes isolated.” The patient’s wound was treated with antibiotics, wet/dry dressings and wound vac. The provider’s final diagnostic statement listed, “Dehiscence and wound infection with corynebacterium of right total knee replacement.” How should this case be coded?   ...

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