S52.283B
Bent bone of unspecified ulna, initial encounter for open fracture type I or II
Billable FY2026 2025-10-01 → 2026-09-30
This is the unspecified option. 15 more
specific codes sit alongside it. Worth
checking whether the documentation supports one of them.
Exclusions 9 never code together
7th character 16
A initial encounter for closed fracture
B initial encounter for open fracture type I or II this code
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
Instructional notes 6
S52code
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
S00-T88chapter
Notes
- Use secondary code(s) from Chapter 20, External causes of morbidity, to indicate cause of injury. Codes within the T section that include the external cause do not require an additional external cause code
- The chapter uses the S-section for coding different types of injuries related to single body regions and the T-section to cover injuries to unspecified body regions as well as poisoning and certain other consequences of external causes.
Use additional code
- code to identify any retained foreign body, if applicable (Z18.-)Z18.-
Index entries leading here 1
Alongside this code 15 same parent — S52.283
S52.283A Bent bone of unsp ulna, init encntr for closed fracture S52.283C Bent bone of unsp ulna, init for opn fx type 3A/B/C S52.283D Bent bone of unsp ulna, subs for clos fx w routn heal S52.283E Bent bone of unsp ulna, 7thE S52.283F Bent bone of unsp ulna, 7thF S52.283G Bent bone of unsp ulna, subs for clos fx w delay heal S52.283H Bent bone of unsp ulna, 7thH S52.283J Bent bone of unsp ulna, 7thJ S52.283K Bent bone of unsp ulna, subs for clos fx w nonunion S52.283M Bent bone of unsp ulna, subs for opn fx type I/2 w nonunion S52.283N Bent bone of unsp ulna, 7thN S52.283P Bent bone of unsp ulna, subs for clos fx w malunion S52.283Q Bent bone of unsp ulna, subs for opn fx type I/2 w malunion S52.283R Bent bone of unsp ulna, 7thR S52.283S Bent bone of unspecified ulna, sequela
Additional references
AHA Coding Clinic® Licence required
Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.