Table 1.
ERCP-Related KCD Codes
| KCD code | ERCP procedures in HIRA dataset | Categorization in this study | Purpose of procedures |
|---|---|---|---|
| E7621 | Endoscopic retrograde cholangiopancreatography | ERCP | Diagnostic |
| E7622 | Transpapillary cholangiopancreatoscopy | ||
| Q7761 | Papillary sphincterotomy | EST | Therapeutic |
| Q7762 | Biliary (pancreatic) drainage | ERBD or ERPD | |
| Q7763 | Endoscopic biliary (pancreatic) stricture dilatation | Dilatation | |
| Q7764 | Biliary (pancreatic) stone removal (basket or balloon catheter, mechanical lithotripsy) | Standard Stone Removal | |
| Q7765 | Biliary (pancreatic) stone removal (electrohydraulic lithotripsy) | Others | |
| Q7766 | Polypectomy and tumorectomy | ||
| Q7767 | Foreign body removal |
ERCP, endoscopic retrograde cholangiopancreatography; KCD, Korean Standard Classification of Disease; HIRA, Health Insurance Review and Assessment; EST, endoscopic sphincterotomy; ERBD, endoscopic retrograde biliary drainage; ERPD, endoscopic retrograde pancreatic drainage.