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Thigh AV Fistula

Date: Jun 20, 2014

Question:

What code should we use when a doctor creates a thigh AV fistula using the saphenous vein (femoral-saphenous fistula)? When they state they "harvested the entire saphenous vein through the knee... tunneled and anastomosed to femoral artery", is this reported with code 36821 (possibly with -22 modifier), or is it reported with code 36825 (possibly with -52 modifier)? Or would it be unlisted?

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