Use of intravascular ultrasound (IVUS) during transluminal insertion of stents, to optimise procedural strategy, appropriate stent size and assessment of stent apposition, for a patient documented with: (a) one or more left main coronary artery lesions; or (b) one or more lesions at least 28mm in length in other locations; if performed in association with a service to which item 38307, 38308, 38310, 38311, 38313, 38314, 38316, 38317, 38319, 38320, 38322 or 38323 applies Applicable once per episode of care (for one or more lesions) (H) (Anaes.)