S52: Fracture of forearm notes A fracture not indicated as displaced or nondisplaced should be coded to displaced A fracture not indicated as open or closed should be coded to closed The open fracture designations are based on the Gustilo open fracture classification excludes1 traumatic amputation of forearm (S58.-) excludes2 fracture at wrist and hand level (S62.-) sevenChrNote The appropriate 7th character is to be added to all codes from category S52 sevenChrDef A: initial encounter for closed fracture B: initial encounter for open fracture type I or II initial encounter for open fracture NOS C: initial encounter for open fracture type IIIA, IIIB, or IIIC D: subsequent encounter for closed fracture with routine healing E: subsequent encounter for open fracture type I or II with routine healing F: subsequent encounter for open fracture type IIIA, IIIB, or IIIC with routine healing G: subsequent encounter for closed fracture with delayed healing H: subsequent encounter for open fracture type I or II with delayed healing J: subsequent encounter for open fracture type IIIA, IIIB, or IIIC with delayed healing K: subsequent encounter for closed fracture with nonunion M: subsequent encounter for open fracture type I or II with nonunion N: subsequent encounter for open fracture type IIIA, IIIB, or IIIC with nonunion P: subsequent encounter for closed fracture with malunion Q: subsequent encounter for open fracture type I or II with malunion R: subsequent encounter for open fracture type IIIA, IIIB, or IIIC with malunion S: sequela |
| S52.0: Fracture of upper end of ulna |
| S52.1: Fracture of upper end of radius |
| S52.2: Fracture of shaft of ulna |
| S52.3: Fracture of shaft of radius |
| S52.5: Fracture of lower end of radius |
| S52.6: Fracture of lower end of ulna |
| S52.9: Unspecified fracture of forearm |