| S8291 | Unspecified fracture of right lower leg |
| S8291XA | Unspecified fracture of right lower leg, initial encounter for closed fracture |
| S8291XB | Unspecified fracture of right lower leg, initial encounter for open fracture type I or II |
| S8291XC | Unspecified fracture of right lower leg, initial encounter for open fracture type IIIA, IIIB, or IIIC |
| S8291XD | Unspecified fracture of right lower leg, subsequent encounter for closed fracture with routine healing |
| S8291XE | Unspecified fracture of right lower leg, subsequent encounter for open fracture type I or II with routine healing |
| S8291XF | Unspecified fracture of right lower leg, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with routine healing |
| S8291XG | Unspecified fracture of right lower leg, subsequent encounter for closed fracture with delayed healing |
| S8291XH | Unspecified fracture of right lower leg, subsequent encounter for open fracture type I or II with delayed healing |
| S8291XJ | Unspecified fracture of right lower leg, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with delayed healing |
| S8291XK | Unspecified fracture of right lower leg, subsequent encounter for closed fracture with nonunion |
| S8291XM | Unspecified fracture of right lower leg, subsequent encounter for open fracture type I or II with nonunion |
| S8291XN | Unspecified fracture of right lower leg, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with nonunion |
| S8291XP | Unspecified fracture of right lower leg, subsequent encounter for closed fracture with malunion |
| S8291XQ | Unspecified fracture of right lower leg, subsequent encounter for open fracture type I or II with malunion |
| S8291XR | Unspecified fracture of right lower leg, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with malunion |
| S8291XS | Unspecified fracture of right lower leg, sequela |
| S8292 | Unspecified fracture of left lower leg |
| S8292XA | Unspecified fracture of left lower leg, initial encounter for closed fracture |
| S8292XB | Unspecified fracture of left lower leg, initial encounter for open fracture type I or II |
| S8292XC | Unsp fracture of left lower leg, init for opn fx type 3A/B/C Unspecified fracture of left lower leg, initial encounter for open fracture type IIIA, IIIB, or IIIC |
| S8292XD | Unspecified fracture of left lower leg, subsequent encounter for closed fracture with routine healing |
| S8292XE | Unspecified fracture of left lower leg, subsequent encounter for open fracture type I or II with routine healing |
| S8292XF | Unspecified fracture of left lower leg, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with routine healing |
| S8292XG | Unspecified fracture of left lower leg, subsequent encounter for closed fracture with delayed healing |
| S8292XH | Unspecified fracture of left lower leg, subsequent encounter for open fracture type I or II with delayed healing |
| S8292XJ | Unspecified fracture of left lower leg, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with delayed healing |
| S8292XK | Unsp fracture of left lower leg, subs for clos fx w nonunion Unspecified fracture of left lower leg, subsequent encounter for closed fracture with nonunion |
| S8292XM | Unspecified fracture of left lower leg, subsequent encounter for open fracture type I or II with nonunion |
| S8292XN | Unspecified fracture of left lower leg, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with nonunion |
| S8292XP | Unsp fracture of left lower leg, subs for clos fx w malunion Unspecified fracture of left lower leg, subsequent encounter for closed fracture with malunion |
| S8292XQ | Unspecified fracture of left lower leg, subsequent encounter for open fracture type I or II with malunion |
| S8292XR | Unspecified fracture of left lower leg, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with malunion |
| S8292XS | Unspecified fracture of left lower leg, sequela |
| S83 | Dislocation and sprain of joints and ligaments of knee |
| S830 | Subluxation and dislocation of patella |
| S8300 | Unspecified subluxation and dislocation of patella |
| S83001 | Unspecified subluxation of right patella |
| S83001A | Unspecified subluxation of right patella, initial encounter |
| S83001D | Unspecified subluxation of right patella, subsequent encounter |
| S83001S | Unspecified subluxation of right patella, sequela |
| S83002 | Unspecified subluxation of left patella |
| S83002A | Unspecified subluxation of left patella, initial encounter |
| S83002D | Unspecified subluxation of left patella, subsequent encounter |
| S83002S | Unspecified subluxation of left patella, sequela |
| S83003 | Unspecified subluxation of unspecified patella |
| S83003A | Unspecified subluxation of unspecified patella, initial encounter |
| S83003D | Unspecified subluxation of unspecified patella, subsequent encounter |
| S83003S | Unspecified subluxation of unspecified patella, sequela |
| S83004 | Unspecified dislocation of right patella |