| T81.520 | Obstruction due to foreign body accidentally left in body following surgical operation | NON-BILLABLE CODE |
| T81.520A | Obstruction due to foreign body accidentally left in body following surgical operation, initial encounter | BILLABLE CODE |
| T81.520D | Obstruction due to foreign body accidentally left in body following surgical operation, subsequent encounter | BILLABLE CODE |
| T81.520S | Obstruction due to foreign body accidentally left in body following surgical operation, sequela | BILLABLE CODE |
| T81.521 | Obstruction due to foreign body accidentally left in body following infusion or transfusion | NON-BILLABLE CODE |
| T81.521A | Obstruction due to foreign body accidentally left in body following infusion or transfusion, initial encounter | BILLABLE CODE |
| T81.521D | Obstruction due to foreign body accidentally left in body following infusion or transfusion, subsequent encounter | BILLABLE CODE |
| T81.521S | Obstruction due to foreign body accidentally left in body following infusion or transfusion, sequela | BILLABLE CODE |
| T81.522 | Obstruction due to foreign body accidentally left in body following kidney dialysis | NON-BILLABLE CODE |
| T81.522A | Obstruction due to foreign body accidentally left in body following kidney dialysis, initial encounter | BILLABLE CODE |
| T81.522D | Obstruction due to foreign body accidentally left in body following kidney dialysis, subsequent encounter | BILLABLE CODE |
| T81.522S | Obstruction due to foreign body accidentally left in body following kidney dialysis, sequela | BILLABLE CODE |
| T81.523 | Obstruction due to foreign body accidentally left in body following injection or immunization | NON-BILLABLE CODE |
| T81.523A | Obstruction due to foreign body accidentally left in body following injection or immunization, initial encounter | BILLABLE CODE |
| T81.523D | Obstruction due to foreign body accidentally left in body following injection or immunization, subsequent encounter | BILLABLE CODE |
| T81.523S | Obstruction due to foreign body accidentally left in body following injection or immunization, sequela | BILLABLE CODE |
| T81.524 | Obstruction due to foreign body accidentally left in body following endoscopic examination | NON-BILLABLE CODE |
| T81.524A | Obstruction due to foreign body accidentally left in body following endoscopic examination, initial encounter | BILLABLE CODE |
| T81.524D | Obstruction due to foreign body accidentally left in body following endoscopic examination, subsequent encounter | BILLABLE CODE |
| T81.524S | Obstruction due to foreign body accidentally left in body following endoscopic examination, sequela | BILLABLE CODE |
| T81.525 | Obstruction due to foreign body accidentally left in body following heart catheterization | NON-BILLABLE CODE |
| T81.525A | Obstruction due to foreign body accidentally left in body following heart catheterization, initial encounter | BILLABLE CODE |
| T81.525D | Obstruction due to foreign body accidentally left in body following heart catheterization, subsequent encounter | BILLABLE CODE |
| T81.525S | Obstruction due to foreign body accidentally left in body following heart catheterization, sequela | BILLABLE CODE |
| T81.526 | Obstruction due to foreign body accidentally left in body following aspiration, puncture or other catheterization | NON-BILLABLE CODE |
| T81.526A | Obstruction due to foreign body accidentally left in body following aspiration, puncture or other catheterization, initial encounter | BILLABLE CODE |
| T81.526D | Obstruction due to foreign body accidentally left in body following aspiration, puncture or other catheterization, subsequent encounter | BILLABLE CODE |
| T81.526S | Obstruction due to foreign body accidentally left in body following aspiration, puncture or other catheterization, sequela | BILLABLE CODE |
| T81.527 | Obstruction due to foreign body accidentally left in body following removal of catheter or packing | NON-BILLABLE CODE |
| T81.527A | Obstruction due to foreign body accidentally left in body following removal of catheter or packing, initial encounter | BILLABLE CODE |
| T81.527D | Obstruction due to foreign body accidentally left in body following removal of catheter or packing, subsequent encounter | BILLABLE CODE |
| T81.527S | Obstruction due to foreign body accidentally left in body following removal of catheter or packing, sequela | BILLABLE CODE |
| T81.528 | Obstruction due to foreign body accidentally left in body following other procedure | NON-BILLABLE CODE |
| T81.528A | Obstruction due to foreign body accidentally left in body following other procedure, initial encounter | BILLABLE CODE |
| T81.528D | Obstruction due to foreign body accidentally left in body following other procedure, subsequent encounter | BILLABLE CODE |
| T81.528S | Obstruction due to foreign body accidentally left in body following other procedure, sequela | BILLABLE CODE |
| T81.529 | Obstruction due to foreign body accidentally left in body following unspecified procedure | NON-BILLABLE CODE |
| T81.529A | Obstruction due to foreign body accidentally left in body following unspecified procedure, initial encounter | BILLABLE CODE |
| T81.529D | Obstruction due to foreign body accidentally left in body following unspecified procedure, subsequent encounter | BILLABLE CODE |
| T81.529S | Obstruction due to foreign body accidentally left in body following unspecified procedure, sequela | BILLABLE CODE |
