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S99.231Non-billableSave

S99.231 - Salter-Harris Type III physeal fracture of phalanx of right toe

ICD-10-CM Chapter 19: Injury, poisoning and certain other consequences of external causes · S90-S99 Injuries to the ankle and foot (S90-S99) · Subcategory of S99.23 · FY2027

Coding Guidance

S99.231 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, D for subsequent encounter for fracture with routine healing.

7th Character

The appropriate 7th character is to be added to each code from subcategories S99.2

Includes, Excludes and Coding Notes

Excludes 2 — Not Included HereFrom S90-S99 Injuries to the ankle and foot (S90-S99)

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

  • burns and corrosions (T20-T32)
  • fracture of ankle and malleolus (S82.-)
  • frostbite (T33-T34)
  • 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 (7)

S99.231ASalter-Harris Type III physeal fracture of phalanx of right toe, initial encounter for closed fracture→S99.231BSalter-Harris Type III physeal fracture of phalanx of right toe, initial encounter for open fracture→S99.231DSalter-Harris Type III physeal fracture of phalanx of right toe, subsequent encounter for fracture with routine healing→S99.231GSalter-Harris Type III physeal fracture of phalanx of right toe, subsequent encounter for fracture with delayed healing→S99.231KSalter-Harris Type III physeal fracture of phalanx of right toe, subsequent encounter for fracture with nonunion→S99.231PSalter-Harris Type III physeal fracture of phalanx of right toe, subsequent encounter for fracture with malunion→S99.231SSalter-Harris Type III physeal fracture of phalanx of right toe, sequela→

Related condition guides

Documentation requirements, coding pitfalls and FAQs for conditions coded with S99.231.