Fracture of shoulder and upper arm

**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

**Excludes1:** - traumatic amputation of shoulder and upper arm (S48.-)

**Excludes2:** - periprosthetic fracture around internal prosthetic shoulder joint (M97.3)

**7th character note:** - The appropriate 7th character is to be added to all codes from category S42

**7th character:** - A: initial encounter for closed fracture - B: initial encounter for open fracture - D: subsequent encounter for fracture with routine healing - G: subsequent encounter for fracture with delayed healing - K: subsequent encounter for fracture with nonunion - P: subsequent encounter for fracture with malunion - S: sequela