S42.366
S42.366: Nondisplaced segmental fracture of shaft of humerus, unspecified arm
Non-billable headerICD-10-CMunspecified
S42.366 is a non-billable header ICD-10-CM code for nondisplaced segmental fracture of shaft of humerus, unspecified 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 from category S42
- 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
Excludes1 inherited from the categories above S42.366
A category’s note binds every code beneath it.
Excludes2 inherited from the categories above S42.366
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 S42.366
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 S42.366
7 child codes. Green means billable.
- S42.366ANondisplaced segmental fracture of shaft of humerus, unspecified arm, initial encounter for closed fracture
- S42.366BNondisplaced segmental fracture of shaft of humerus, unspecified arm, initial encounter for open fracture
- S42.366DNondisplaced segmental fracture of shaft of humerus, unspecified arm, subsequent encounter for fracture with routine healing
- S42.366GNondisplaced segmental fracture of shaft of humerus, unspecified arm, subsequent encounter for fracture with delayed healing
- S42.366KNondisplaced segmental fracture of shaft of humerus, unspecified arm, subsequent encounter for fracture with nonunion
- S42.366PNondisplaced segmental fracture of shaft of humerus, unspecified arm, subsequent encounter for fracture with malunion
- S42.366SNondisplaced segmental fracture of shaft of humerus, unspecified arm, sequela
Other codes under S42.36
- S42.361Displaced segmental fracture of shaft of humerus, right arm
- S42.362Displaced segmental fracture of shaft of humerus, left arm
- S42.363Displaced segmental fracture of shaft of humerus, unspecified arm
- S42.364Nondisplaced segmental fracture of shaft of humerus, right arm
- S42.365Nondisplaced segmental fracture of shaft of humerus, left arm