AMA CPT® Assistant - 2018 Issue 4 (April)
Surgery: Musculoskeletal System (Q&A) (April 2018)
April 2018 page 10b Surgery: Musculoskeletal System Question: A patient presents with a history of partial knee replacement several years ago. Due to mechanical complication with anteromedial extrusion of the meniscal (polyethylene) bearing (size 5), it was necessary to remove and replace the bearing (unicompartmental arthroplasty) with a size 6. Should code 27599(unlisted) or 27486(revision of a total knee arthroplasty) be reported for this procedure? Answer: The procedure described in the question is "revision" of a partial knee replacement and not a "total" knee replacement. Therefore, it would not be appropriate to report revision of a total knee arthroplasty...
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Article Overview
This April 2018 Q&A from CPT Assistant focuses on musculoskeletal surgery coding topics for knee and wrist procedures. It is aimed at coders, billing staff, and clinical documentation teams who need high-level guidance on how the article frames procedure reporting questions, related unlisted-procedure considerations, and the scope of included work in an endoscopic wrist case. The content is especially relevant for readers looking for general CPT musculoskeletal coding guidance and documentation context without substituting for the full article.
Why This Topic Matters
Accurate reporting in musculoskeletal surgery depends on understanding when a procedure falls inside or outside a defined CPT category and when unlisted-procedure reporting and supporting documentation may be discussed. This article helps readers identify whether the piece addresses partial knee revision issues, endoscopic carpal tunnel-related documentation, or both.
Article Sections
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April 2018 page 10b
Introductory page heading for the Q&A material in this issue of CPT Assistant.
What You Will Learn
- The article’s general focus areas within musculoskeletal surgery coding.
- How the Q&A format frames questions about knee and wrist procedures.
- What kinds of documentation considerations are discussed for certain procedure-reporting scenarios.
- Which broad CPT musculoskeletal topics are covered in the April 2018 issue page.
Who Should Read This
- Medical coders
- Coding auditors
- Billing staff
- Orthopedic practice staff
- Clinical documentation specialists
Codes Discussed
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