The Orthopaedic Coding Coach
KZA consultants discuss frequently asked orthopaedic coding questions every month. Our coding experts are also available for hourly coding consultations and can provide a customized coding and documentation review for your practice.
May 1, 2008
Question:
We are unsure when to report CPT code 22851 versus 20931.
Answer:
CPT code 22851 is used for interbody fusion when the physician documents the places of cages or threaded bone dowels. CPT code 20931 is used when the physician places an interbody bone allograft that is not a threaded bone dowel, but is a structural allograft.
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