S42.312
S42.312: Greenstick fracture of shaft of humerus, left arm
Non-billable headerICD-10-CMleft
S42.312 is a non-billable header ICD-10-CM code for greenstick fracture of shaft of humerus, left arm. It cannot be billed on its own: choose one of the more specific child codes below. This code also requires a 7th character before it is complete.
This code requires a 7th character
The appropriate 7th character is to be added to all codes in subcategory S42.31
- A
- initial encounter for closed 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
Excludes1 inherited from the categories above S42.312
A category’s note binds every code beneath it.
Excludes2 inherited from the categories above S42.312
Not part of this code, but both may be coded when both are present.
Written on S42.3: Fracture of shaft of humerus
Other codes that can never be billed with S42.312
Their own Excludes1 notes name this code, so the conflict is not listed above.
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Code history
Unchanged in every release from FY2024 to FY2027.
Code to one of these instead S42.312
6 child codes. Green means billable.
- S42.312AGreenstick fracture of shaft of humerus, left arm, initial encounter for closed fracture
- S42.312DGreenstick fracture of shaft of humerus, left arm, subsequent encounter for fracture with routine healing
- S42.312GGreenstick fracture of shaft of humerus, left arm, subsequent encounter for fracture with delayed healing
- S42.312KGreenstick fracture of shaft of humerus, left arm, subsequent encounter for fracture with nonunion
- S42.312PGreenstick fracture of shaft of humerus, left arm, subsequent encounter for fracture with malunion
- S42.312SGreenstick fracture of shaft of humerus, left arm, sequela