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S52.399Non-billableSave

S52.399 - Other fracture of shaft of radius, unspecified arm

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 S52.39 · FY2027

Coding Guidance

S52.399 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 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)

S52.399AOther fracture of shaft of radius, unspecified arm, initial encounter for closed fracture→S52.399BOther fracture of shaft of radius, unspecified arm, initial encounter for open fracture type I or II→S52.399COther fracture of shaft of radius, unspecified arm, initial encounter for open fracture type IIIA, IIIB, or IIIC→S52.399DOther fracture of shaft of radius, unspecified arm, subsequent encounter for closed fracture with routine healing→S52.399EOther fracture of shaft of radius, unspecified arm, subsequent encounter for open fracture type I or II with routine healing→S52.399FOther fracture of shaft of radius, unspecified arm, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with routine healing→S52.399GOther fracture of shaft of radius, unspecified arm, subsequent encounter for closed fracture with delayed healing→S52.399HOther fracture of shaft of radius, unspecified arm, subsequent encounter for open fracture type I or II with delayed healing→S52.399JOther fracture of shaft of radius, unspecified arm, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with delayed healing→S52.399KOther fracture of shaft of radius, unspecified arm, subsequent encounter for closed fracture with nonunion→S52.399MOther fracture of shaft of radius, unspecified arm, subsequent encounter for open fracture type I or II with nonunion→S52.399NOther fracture of shaft of radius, unspecified arm, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with nonunion→S52.399POther fracture of shaft of radius, unspecified arm, subsequent encounter for closed fracture with malunion→S52.399QOther fracture of shaft of radius, unspecified arm, subsequent encounter for open fracture type I or II with malunion→S52.399ROther fracture of shaft of radius, unspecified arm, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with malunion→S52.399SOther fracture of shaft of radius, unspecified arm, sequela→

Related condition guides

Documentation requirements, coding pitfalls and FAQs for conditions coded with S52.399.