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S99.099Non-billableSave

S99.099 - Other physeal fracture of unspecified calcaneus

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 S99.09 · FY2027

Coding Guidance

S99.099 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 S99.0

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)

S99.099AOther physeal fracture of unspecified calcaneus, initial encounter for closed fracture→S99.099BOther physeal fracture of unspecified calcaneus, initial encounter for open fracture→S99.099DOther physeal fracture of unspecified calcaneus, subsequent encounter for fracture with routine healing→S99.099GOther physeal fracture of unspecified calcaneus, subsequent encounter for fracture with delayed healing→S99.099KOther physeal fracture of unspecified calcaneus, subsequent encounter for fracture with nonunion→S99.099POther physeal fracture of unspecified calcaneus, subsequent encounter for fracture with malunion→S99.099SOther physeal fracture of unspecified calcaneus, sequela→

Related condition guides

Documentation requirements, coding pitfalls and FAQs for conditions coded with S99.099.