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S52.043Non-billableSave

S52.043 - Displaced fracture of coronoid process of unspecified ulna

ICD-10-CM Chapter 19: Injury, poisoning and certain other consequences of external causes · S50-S59 Injuries to the elbow and forearm (S50-S59) · Subcategory of S52.04 · FY2027

Coding Guidance

S52.043 requires a 7th character. Report the code below that matches the documentation, for example A for initial encounter for closed fracture, B for initial encounter for open fracture type I or II, C for initial encounter for open fracture type IIIA, IIIB, or IIIC.

7th Character

The appropriate 7th character is to be added to all codes from category S52

Includes, Excludes and Coding Notes

Excludes 2 — Not Included HereFrom S52.0

Not part of this code; report both codes when the patient has both conditions.

  • fracture of elbow NOS (S42.40-)
  • fractures of shaft of ulna (S52.2-)
Excludes 1 — Not Coded HereFrom S52

Mutually exclusive: these conditions are never reported together with this code.

  • traumatic amputation of forearm (S58.-)
Excludes 2 — Not Included HereFrom S52

Not part of this code; report both codes when the patient has both conditions.

  • fracture at wrist and hand level (S62.-)
  • periprosthetic fracture around internal prosthetic elbow joint (M97.4)
NotesFrom S52

Instructional notes from the ICD-10-CM tabular list.

  • 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
Excludes 2 — Not Included HereFrom S50-S59 Injuries to the elbow and forearm (S50-S59)

Not part of this code; report both codes when the patient has both conditions.

  • burns and corrosions (T20-T32)
  • frostbite (T33-T34)
  • injuries of wrist and hand (S60-S69)
  • insect bite or sting, venomous (T63.4)
Excludes 2 — Not Included HereFrom Chapter S00-T88

Not part of this code; report both codes when the patient has both conditions.

  • birth trauma (P10-P15)
  • obstetric trauma (O70-O71)
Use Additional CodeFrom Chapter S00-T88

Add a secondary code to identify the associated condition or cause when it is documented.

  • code to identify any retained foreign body, if applicable (Z18.-)
NotesFrom Chapter S00-T88

Instructional notes from the ICD-10-CM tabular list.

  • 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.

More Specific Codes (16)

S52.043ADisplaced fracture of coronoid process of unspecified ulna, initial encounter for closed fracture→S52.043BDisplaced fracture of coronoid process of unspecified ulna, initial encounter for open fracture type I or II→S52.043CDisplaced fracture of coronoid process of unspecified ulna, initial encounter for open fracture type IIIA, IIIB, or IIIC→S52.043DDisplaced fracture of coronoid process of unspecified ulna, subsequent encounter for closed fracture with routine healing→S52.043EDisplaced fracture of coronoid process of unspecified ulna, subsequent encounter for open fracture type I or II with routine healing→S52.043FDisplaced fracture of coronoid process of unspecified ulna, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with routine healing→S52.043GDisplaced fracture of coronoid process of unspecified ulna, subsequent encounter for closed fracture with delayed healing→S52.043HDisplaced fracture of coronoid process of unspecified ulna, subsequent encounter for open fracture type I or II with delayed healing→S52.043JDisplaced fracture of coronoid process of unspecified ulna, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with delayed healing→S52.043KDisplaced fracture of coronoid process of unspecified ulna, subsequent encounter for closed fracture with nonunion→S52.043MDisplaced fracture of coronoid process of unspecified ulna, subsequent encounter for open fracture type I or II with nonunion→S52.043NDisplaced fracture of coronoid process of unspecified ulna, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with nonunion→S52.043PDisplaced fracture of coronoid process of unspecified ulna, subsequent encounter for closed fracture with malunion→S52.043QDisplaced fracture of coronoid process of unspecified ulna, subsequent encounter for open fracture type I or II with malunion→S52.043RDisplaced fracture of coronoid process of unspecified ulna, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with malunion→S52.043SDisplaced fracture of coronoid process of unspecified ulna, sequela→

Related condition guides

Documentation requirements, coding pitfalls and FAQs for conditions coded with S52.043.