S52.516B Nondisplaced fracture of unspecified radial styloid process, initial encounter for open fracture type I or II
Billable ICD-10-CM code, FY2026.
Built from S52.516 with 7th character B (initial encounter for open fracture type I or II).
Applies from S52 Fracture of forearm
Excludes1 (never code together)
traumatic amputation of forearm (S58.-)
Excludes2 (not included here)
fracture at wrist and hand level (S62.-)
periprosthetic fracture around internal prosthetic elbow joint (M97.4)
7th character note
The appropriate 7th character is to be added to all codes from category S52
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
7th character required
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
Applies from S52.5 Fracture of lower end of radius
Applicable to
Fracture of distal end of radius
Excludes2 (not included here)
physeal fractures of lower end of radius (S59.2-)
Medicare Code Edits (MCE v43.1 (April 2026))
Unspecified code (laterality): Unspecified codes for which a more specific code identifying laterality (right, left, bilateral) exists within the same code family.
Code annotations containing back-references to S52.516B
Type 1 Excludes: M84.4 Pathological fracture, not elsewhere classified ("traumatic fracture (S12.-, S22.-, S32.-, S42.-, S52.-, S62.-, S72.-, S82.-, S92.-)")
Type 1 Excludes: S51 Open wound of elbow and forearm ("open fracture of elbow and forearm (S52.- with open fracture 7th character)")
Type 2 Excludes: S62 Fracture at wrist and hand level ("fracture of distal parts of ulna and radius (S52.-)")
Nearby codes
S52.515Q Nondisplaced fracture of left radial styloid process, subsequent encounter for open fracture type I or II with malunion
S52.515R Nondisplaced fracture of left radial styloid process, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with malunion
S52.515S Nondisplaced fracture of left radial styloid process, sequela
S52.516 Nondisplaced fracture of unspecified radial styloid process
S52.516A Nondisplaced fracture of unspecified radial styloid process, initial encounter for closed fracture
S52.516B Nondisplaced fracture of unspecified radial styloid process, initial encounter for open fracture type I or II (this code)
S52.516C Nondisplaced fracture of unspecified radial styloid process, initial encounter for open fracture type IIIA, IIIB, or IIIC
S52.516D Nondisplaced fracture of unspecified radial styloid process, subsequent encounter for closed fracture with routine healing
S52.516E Nondisplaced fracture of unspecified radial styloid process, subsequent encounter for open fracture type I or II with routine healing
S52.516F Nondisplaced fracture of unspecified radial styloid process, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with routine healing
S52.516G Nondisplaced fracture of unspecified radial styloid process, subsequent encounter for closed fracture with delayed healing