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SMA stent placement through laparotomy

Date: Dec 15, 2020

Question:

"1) Exploratory laparotomy. 2) Retrograde superior mesenteric artery recanalization, angioplasty, and stenting with 6 mm x 29 mm VBX stent graft. Yesterday, I performed a brachial artery attempt at mesenteric recanalization in an antegrade fashion, which was unsuccessful due to the dense calcification and occlusion of the origins of the vessels. Brought back for laparotomy and retrograde approach today. A longitudinal midline incision was made through skin and subcutaneous tissues. SMA was accessed retrograde with a micropuncture wire and needle, followed by a 4 French microcatheter. We were able to traverse the area of occlusion into the abdominal aorta. A 5 French sheath was then placed over the Glidewire into the SMA. We then were able to bring a 7 French sheath across the occlusion, then brought a 6 mm x 29 mm VBX stent graft and delivered it through the stent and pulled the stent back into the residual SMA."  Do I report code 37236 with modifier -22 or report an unlisted code?

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