S99.009K Unspecified physeal fracture of unspecified calcaneus, subsequent encounter for fracture with nonunion

Billable ICD-10-CM code, FY2026.

Built from S99.009 with 7th character K (subsequent encounter for fracture with nonunion).

Applies from S99.0 Physeal fracture of calcaneus

7th character note

• The appropriate 7th character is to be added to each code from subcategories S99.0

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 S99.009K

Back-references to S99.0

• Type 2 Excludes: S92.0 Fracture of calcaneus ("Physeal fracture of calcaneus (S99.0-)")

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

• S99.009 Unspecified physeal fracture of unspecified calcaneus
• S99.009A Unspecified physeal fracture of unspecified calcaneus, initial encounter for closed fracture
• S99.009B Unspecified physeal fracture of unspecified calcaneus, initial encounter for open fracture
• S99.009D Unspecified physeal fracture of unspecified calcaneus, subsequent encounter for fracture with routine healing
• S99.009G Unspecified physeal fracture of unspecified calcaneus, subsequent encounter for fracture with delayed healing
• S99.009K Unspecified physeal fracture of unspecified calcaneus, subsequent encounter for fracture with nonunion (this code)
• S99.009P Unspecified physeal fracture of unspecified calcaneus, subsequent encounter for fracture with malunion
• S99.009S Unspecified physeal fracture of unspecified calcaneus, sequela
• S99.01 Salter-Harris Type I physeal fracture of calcaneus
• S99.011 Salter-Harris Type I physeal fracture of right calcaneus
• S99.011A Salter-Harris Type I physeal fracture of right calcaneus, initial encounter for closed fracture