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S52.099

Other fracture of upper end of unspecified ulna

Not billable — category only FY2026 2025-10-01 → 2026-09-30
This is the unspecified option. 2 more specific codes sit alongside it. Worth checking whether the documentation supports one of them.
Exclusions 11 never code together
S52.0code
Excludes2
  • fracture of elbow NOS (S42.40-)S42.40-
  • fractures of shaft of ulna (S52.2-)S52.2-
S52code
Excludes1
  • traumatic amputation of forearm (S58.-)S58.-
Excludes2
  • fracture at wrist and hand level (S62.-)S62.-
  • periprosthetic fracture around internal prosthetic elbow joint (M97.4)M97.4
S50-S59block
Excludes2
  • burns and corrosions (T20-T32)T20-T32
  • frostbite (T33-T34)T33-T34
  • injuries of wrist and hand (S60-S69)S60-S69
  • insect bite or sting, venomous (T63.4)T63.4
S00-T88chapter
Excludes2

Excludes1 — never code together. The excluded condition and this one are mutually exclusive.

Excludes2 — not included here, but the patient may have both. Code both when documented.

7th character 16
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
Instructional notes 7
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
S52.0code
Inclusion terms
  • Fracture of proximal end of ulna
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
  • Fracture, traumatic (abduction) (adduction) (separation) T14.8
Alongside this code 2 same parent — S52.09
S52.091 Other fracture of upper end of right ulna category S52.092 Other fracture of upper end of left ulna category
Subordinate codes 16
S52.099A Oth fracture of upper end of unsp ulna, init for clos fx S52.099B Oth fx upper end of unsp ulna, init for opn fx type I/2 S52.099C Oth fx upper end of unsp ulna, init for opn fx type 3A/B/C S52.099D Oth fx upper end of unsp ulna, subs for clos fx w routn heal S52.099E Oth fx upr end unsp ulna, 7thE S52.099F Oth fx upr end unsp ulna, 7thF S52.099G Oth fx upper end of unsp ulna, subs for clos fx w delay heal S52.099H Oth fx upr end unsp ulna, 7thH S52.099J Oth fx upr end unsp ulna, 7thJ S52.099K Oth fx upper end of unsp ulna, subs for clos fx w nonunion S52.099M Oth fx upr end unsp ulna, 7thM S52.099N Oth fx upr end unsp ulna, 7thN S52.099P Oth fx upper end of unsp ulna, subs for clos fx w malunion S52.099Q Oth fx upr end unsp ulna, 7thQ S52.099R Oth fx upr end unsp ulna, 7thR S52.099S Other fracture of upper end 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.

Risk adjustment

Maps to no condition category in any loaded model.

Presence is a property of the code. Untick a model to hide it everywhere.

This code

Billable
no
Code set
FY2026
Parent
S52.09
Block
S50-S59
Siblings
2
Subordinate
16

Present FY2024–FY2027.