A. This is reported as 93620 with add-on code 93621; and one would also report the transseptal puncture code (93462), if this is performed.

What is transseptal puncture?

Transseptal puncture is the technique of creating a small surgical passage through the atrial septum (wall between the right and left atrium) through which a catheter can be directly fed.

Is CPT 93662 an add-on code?

Certain procedures are designated add-on codes per CPT® definition, and may only be reported in conjunction with a primary procedure – it may not be reported “stand-alone.” EP examples include mapping (93609 or 93613), IV drug study (93623), left atrial or ventricular pacing and recording (93621 and 93622), and ...