HCPCS 74361 — Intraluminal dilation of strictures and/or obstructions (eg, esophagus or biliary tree); complete procedure (7 hospitals, — samples)
HCPCS 74405 — Urography (pyelography), intravenous, with or without KUB, with or without tomography; with special hypertensive contrast concen (11 hospitals, — samples)