Air or gas in the biliary tree or left side of liver.
pneumobilia icd10
576.8
There's a small possibility that a stone is obstructing the bile duct after the gallbladder was removed. However, most people who undergo a cholecystectomy (gall bladder removal surgery) will have a dilated bile duct after the fact - even though there is no stone. A dilated duct after cholecystectomy, by itself, is not considered an abnormal finding. When the gall bladder is removed, the common bile duct essentially takes on its function and dilates to accommodate the bile that accumulates before being released into the duodenum after you eat a meal. It's also possible to see small air bubbles trapped inside the bile duct (a condition called pneumobilia). This, too, is considered a normal post-surgical finding.