| ICD-10 Code | Description |
| S52.042A | Displaced fracture of coronoid process of left ulna, initial encounter for closed fracture |
| S52.042B | Displaced fracture of coronoid process of left ulna, initial encounter for open fracture type I or II |
| S52.042C | Displaced fracture of coronoid process of left ulna, initial encounter for open fracture type IIIA, IIIB, or IIIC |
| S52.042D | Displaced fracture of coronoid process of left ulna, subsequent encounter for closed fracture with routine healing |
| S52.042E | Displaced fracture of coronoid process of left ulna, subsequent encounter for open fracture type I or II with routine healing |
| S52.042F | Displaced fracture of coronoid process of left ulna, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with routine healing |
| S52.042G | Displaced fracture of coronoid process of left ulna, subsequent encounter for closed fracture with delayed healing |
| S52.042H | Displaced fracture of coronoid process of left ulna, subsequent encounter for open fracture type I or II with delayed healing |
| S52.042J | Displaced fracture of coronoid process of left ulna, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with delayed healing |
| S52.042K | Displaced fracture of coronoid process of left ulna, subsequent encounter for closed fracture with nonunion |
| S52.042M | Displaced fracture of coronoid process of left ulna, subsequent encounter for open fracture type I or II with nonunion |
| S52.042N | Displaced fracture of coronoid process of left ulna, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with nonunion |
| S52.042P | Displaced fracture of coronoid process of left ulna, subsequent encounter for closed fracture with malunion |
| S52.042Q | Displaced fracture of coronoid process of left ulna, subsequent encounter for open fracture type I or II with malunion |
| S52.042R | Displaced fracture of coronoid process of left ulna, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with malunion |
| S52.042S | Displaced fracture of coronoid process of left ulna, sequela |
