S99.299K Other physeal fracture of phalanx of unspecified toe, subsequent encounter for fracture with nonunion

Billable ICD-10-CM code, FY2026.

Built from S99.299 with 7th character K (subsequent encounter for fracture with nonunion).

Applies from S99.2 Physeal fracture of phalanx of toe

7th character note

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

7th character required

• A — initial encounter for closed fracture
• B — initial encounter for open fracture
• D — subsequent encounter for fracture with routine healing
• G — subsequent encounter for fracture with delayed healing
• K — subsequent encounter for fracture with nonunion
• P — subsequent encounter for fracture with malunion
• S — sequela

Code annotations containing back-references to S99.299K

Back-references to S99.2

• Type 2 Excludes: S92.4 Fracture of great toe ("Physeal fracture of phalanx of toe (S99.2-)")
• Type 2 Excludes: S92.5 Fracture of lesser toe(s) ("Physeal fracture of phalanx of toe (S99.2-)")

Back-references to S99

• Type 2 Excludes: S89 Other and unspecified injuries of lower leg ("other and unspecified injuries of ankle and foot (S99.-)")

Nearby codes

• S99.299 Other physeal fracture of phalanx of unspecified toe
• S99.299A Other physeal fracture of phalanx of unspecified toe, initial encounter for closed fracture
• S99.299B Other physeal fracture of phalanx of unspecified toe, initial encounter for open fracture
• S99.299D Other physeal fracture of phalanx of unspecified toe, subsequent encounter for fracture with routine healing
• S99.299G Other physeal fracture of phalanx of unspecified toe, subsequent encounter for fracture with delayed healing
• S99.299K Other physeal fracture of phalanx of unspecified toe, subsequent encounter for fracture with nonunion (this code)
• S99.299P Other physeal fracture of phalanx of unspecified toe, subsequent encounter for fracture with malunion
• S99.299S Other physeal fracture of phalanx of unspecified toe, sequela
• S99.8 Other specified injuries of ankle and foot
• S99.81 Other specified injuries of ankle
• S99.811 Other specified injuries of right ankle