| T85.520 | Displacement of bile duct prosthesis | NON-BILLABLE CODE |
| T85.520A | Displacement of bile duct prosthesis, initial encounter | BILLABLE CODE |
| T85.520D | Displacement of bile duct prosthesis, subsequent encounter | BILLABLE CODE |
| T85.520S | Displacement of bile duct prosthesis, sequela | BILLABLE CODE |
| T85.521 | Displacement of esophageal anti-reflux device | NON-BILLABLE CODE |
| T85.521A | Displacement of esophageal anti-reflux device, initial encounter | BILLABLE CODE |
| T85.521D | Displacement of esophageal anti-reflux device, subsequent encounter | BILLABLE CODE |
| T85.521S | Displacement of esophageal anti-reflux device, sequela | BILLABLE CODE |
| T85.528 | Displacement of other gastrointestinal prosthetic devices, implants and grafts | NON-BILLABLE CODE |
| T85.528A | Displacement of other gastrointestinal prosthetic devices, implants and grafts, initial encounter | BILLABLE CODE |
| T85.528D | Displacement of other gastrointestinal prosthetic devices, implants and grafts, subsequent encounter | BILLABLE CODE |
| T85.528S | Displacement of other gastrointestinal prosthetic devices, implants and grafts, sequela | BILLABLE CODE |
