Hip and Knee Arthroplasty Coding

Definitions for primary, revision, and conversion codes

Mary LeGrand, RN, MA, CCS-P, CPC

Hip and knee arthroplasty procedures have been under scrutiny by both Medicare Administrative Contractors and Recovery Audit Contractors. Although the primary concern has been adequate documentation of medical necessity, accurate coding of primary, revision, and conversion arthroplasty procedures is also important. This article addresses the definitions associated with primary, revision, and conversion arthroplasty procedures and codes specific to hip and knee arthroplasty procedures.

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