| ICD-10 Code | Description |
| S52.279A | Monteggia's fracture of unspecified ulna, initial encounter for closed fracture |
| S52.279B | Monteggia's fracture of unspecified ulna, initial encounter for open fracture type I or II |
| S52.279C | Monteggia's fracture of unspecified ulna, initial encounter for open fracture type IIIA, IIIB, or IIIC |
| S52.279D | Monteggia's fracture of unspecified ulna, subsequent encounter for closed fracture with routine healing |
| S52.279E | Monteggia's fracture of unspecified ulna, subsequent encounter for open fracture type I or II with routine healing |
| S52.279F | Monteggia's fracture of unspecified ulna, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with routine healing |
| S52.279G | Monteggia's fracture of unspecified ulna, subsequent encounter for closed fracture with delayed healing |
| S52.279H | Monteggia's fracture of unspecified ulna, subsequent encounter for open fracture type I or II with delayed healing |
| S52.279J | Monteggia's fracture of unspecified ulna, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with delayed healing |
| S52.279K | Monteggia's fracture of unspecified ulna, subsequent encounter for closed fracture with nonunion |
| S52.279M | Monteggia's fracture of unspecified ulna, subsequent encounter for open fracture type I or II with nonunion |
| S52.279N | Monteggia's fracture of unspecified ulna, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with nonunion |
| S52.279P | Monteggia's fracture of unspecified ulna, subsequent encounter for closed fracture with malunion |
| S52.279Q | Monteggia's fracture of unspecified ulna, subsequent encounter for open fracture type I or II with malunion |
| S52.279R | Monteggia's fracture of unspecified ulna, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with malunion |
| S52.279S | Monteggia's fracture of unspecified ulna, sequela |
