Cardiology Question for the Week of April 24, 2017


One of our cardiologists performed the following:  a left heart cath w/ coronaries, then a selective left subclavian angiogram to see whether there was a stenosis in the subclavian, and then a selective left internal mammary artery (LIMA) looking at it for a possible grafting site.  How would we code this?


If the LIMA was imaged to see if it was appropriate as a graft, you would assign 93459 to identify the heart cath with grafts.

93459 Catheter placement in coronary artery(s) for coronary angiography, including intraprocedural injection(s) for coronary angiography, imaging supervision and interpretation; with left heart catheterization including intraprocedural injection(s) for left ventriculography, when performed, catheter placement(s) in bypass graft(s) (internal mammary, free arterial, venous grafts) with bypass graft angiography

If the subclavian angiogram was diagnostic and not road-mapping, you would code 75710.

75710 Angiography, extremity, unilateral, radiological supervision and interpretation



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