AHA Coding Clinic® for ICD-10-CM and ICD-10-PCS - 2026 Quarter 3; Ask the Editor
Septic Total Knee Arthroplasty
A 64-year-old patient status post right total knee arthroplasty (TKA) was admitted due to infection of the right knee. The knee was incised and drained. A stage 1 revision and complete synovectomy were then performed. The patient was diagnosed with right prosthetic joint infection with septic TKA due to Staphylococcus caprae. Septic joint is classified in ICD-10-CM to category M00 , Pyogenic arthritis. Is it appropriate to report a code from category M00 to capture an infection in a prosthetic joint? What are the appropriate code assignments for right prosthetic joint infection with septic TKA due to Staphylococcus caprae? ...
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Article Overview
This article examines an ICD-10-CM coding scenario involving infection of a total knee prosthesis, septic arthritis, and a bacterial cause. It discusses the general relationship between prosthetic joint infection coding and codes for the associated infection and organism, for readers evaluating orthopedic and infection-related coding questions.
Why This Topic Matters
Prosthetic joint infection cases may involve multiple related coding concepts. The article provides context for understanding how prosthesis, joint infection, and causative-agent categories are addressed together in a coding scenario.
What You Will Learn
- The coding topics raised by a septic total knee arthroplasty scenario.
- How the article discusses prosthetic joint infection, septic arthritis, and bacterial-agent identification.
- Which ICD-10-CM categories are referenced in the discussion.
- intended_audiences
Who Should Read This
- Medical coders
- Coding auditors
- Healthcare revenue cycle professionals
- Orthopedic coding professionals
Codes Discussed
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