S52.20
S52.20: Unspecified fracture of shaft of ulna
Non-billable headerICD-10-CM
S52.20 is a non-billable header ICD-10-CM code for unspecified fracture of shaft of ulna. 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 S52
- A
- initial encounter for closed fracture
- B
- initial encounter for open fracture type I or II
- 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
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Fracture of ulna NOS
Excludes1 inherited from the categories above S52.20
A category’s note binds every code beneath it.
Excludes2 inherited from the categories above S52.20
Not part of this code, but both may be coded when both are present.
Other codes that can never be billed with S52.20
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 S52.20
3 child codes. Green means billable.
Other codes under S52.2
- S52.21Greenstick fracture of shaft of ulna
- S52.22Transverse fracture of shaft of ulna
- S52.23Oblique fracture of shaft of ulna
- S52.24Spiral fracture of shaft of ulna
- S52.25Comminuted fracture of shaft of ulna
- S52.26Segmental fracture of shaft of ulna
- S52.27Monteggia's fracture of ulna
- S52.28Bent bone of ulna
- S52.29Other fracture of shaft of ulna