Prone Transpsoas (PTP) Interbody Fusion

Per 3Q 2024 Coding Clinic: 

Code Example

 A patient presented for an L3-L4 anterior lumbar interbody fusion via lateral retroperitoneal transpsoas approach:

The patient was placed in the prone position in anticipation of a single-position prone transpsoas (PTP) surgery. An incision was made over the left flank, a finger was used to dissect into the retroperitoneal space, and the psoas muscle was identified. The disk space at L3-L4 was mapped out, and the diskectomy proceeded in a piecemeal fashion. Progressive trials were placed in the disk space, and appropriately sized grafts were selected. The implant was loaded with cellular allograft and inserted into the disk space.

Code Assignment

ICD-10-PCS code 0SG00A0:

Fusion of lumbar vertebral joint with interbody fusion device, anterior approach, anterior column, open approach. PTP approach is a form of extreme lateral interbody fusion (XLIF), in which case, qualifier “0” for anterior approach, anterior column is assigned.

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