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Decomp lami with 2 nerve roots decompressed

Nancy Posted Mon 20th of January, 2020 15:57:44 PM
Procedure: Right L4-L5 decompressive laminotomy, foraminotomy with decompressing the right L4 and L5 nerve roots. Posterolateral fusion L4-L5 with bone morphongenic protein and Actifuse bone substitute. Pedical screw instrumentation. Since 2 nerve roots were decompressed, is it correct to bill for a second level? i.e. 63047 & 63048 along with the codes for the fusion etc....
SuperCoder Answered Tue 21st of January, 2020 03:56:15 AM

Hi Nancy,

A vertebral segment represents a single complete vertebral bone with its associated articular processes and laminae. For a laminectomy, you would count per interspace as there is removal of lamina in between each segment. In this case, L4-L5 would count as one interspace. However, the CPT code description tells us whether we count segments or interspaces. For example, 63045-63048, states "segment" therefore L4-L5 would be two segments = 63047, 63048. So, you can bill both the codes along with arthrodesis and other codes.

Hope this helps!

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