| S81.851 | Open bite, right lower leg | NON-BILLABLE CODE |
| S81.851A | Open bite, right lower leg, initial encounter | BILLABLE CODE |
| S81.851D | Open bite, right lower leg, subsequent encounter | BILLABLE CODE |
| S81.851S | Open bite, right lower leg, sequela | BILLABLE CODE |
| S81.852 | Open bite, left lower leg | NON-BILLABLE CODE |
| S81.852A | Open bite, left lower leg, initial encounter | BILLABLE CODE |
| S81.852D | Open bite, left lower leg, subsequent encounter | BILLABLE CODE |
| S81.852S | Open bite, left lower leg, sequela | BILLABLE CODE |
| S81.859 | Open bite, unspecified lower leg | NON-BILLABLE CODE |
| S81.859A | Open bite, unspecified lower leg, initial encounter | BILLABLE CODE |
| S81.859D | Open bite, unspecified lower leg, subsequent encounter | BILLABLE CODE |
| S81.859S | Open bite, unspecified lower leg, sequela | BILLABLE CODE |
