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CPT Knowledgebase - Jun 2, 2023
If a patient has preexisting segmental instrumentation from L2-S1 and undergoes extension of the instrumentation one level to L1 (adding a new L1 screw), removing and replacing the previous L2-S1 rod with a new longer rod extending from L1-S1, would this be reported as 22840 for the additional one level instrumentation at L1-L2 or with 22842 for the final construct L1-S1?To view the Official AMA answer and 1000s more like this:
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