S99.121P Salter-Harris Type II physeal fracture of right metatarsal, subsequent encounter for fracture with malunion

Billable ICD-10-CM code, FY2026.

Built from S99.121 with 7th character P (subsequent encounter for fracture with malunion).

Applies from S99.1 Physeal fracture of metatarsal

7th character note

• The appropriate 7th character is to be added to each code from subcategories S99.1

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 S99.121P

Back-references to S99.1

• Type 2 Excludes: S92.3 Fracture of metatarsal bone(s) ("Physeal fracture of metatarsal (S99.1-)")

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

• S99.121A Salter-Harris Type II physeal fracture of right metatarsal, initial encounter for closed fracture
• S99.121B Salter-Harris Type II physeal fracture of right metatarsal, initial encounter for open fracture
• S99.121D Salter-Harris Type II physeal fracture of right metatarsal, subsequent encounter for fracture with routine healing
• S99.121G Salter-Harris Type II physeal fracture of right metatarsal, subsequent encounter for fracture with delayed healing
• S99.121K Salter-Harris Type II physeal fracture of right metatarsal, subsequent encounter for fracture with nonunion
• S99.121P Salter-Harris Type II physeal fracture of right metatarsal, subsequent encounter for fracture with malunion (this code)
• S99.121S Salter-Harris Type II physeal fracture of right metatarsal, sequela
• S99.122 Salter-Harris Type II physeal fracture of left metatarsal
• S99.122A Salter-Harris Type II physeal fracture of left metatarsal, initial encounter for closed fracture
• S99.122B Salter-Harris Type II physeal fracture of left metatarsal, initial encounter for open fracture
• S99.122D Salter-Harris Type II physeal fracture of left metatarsal, subsequent encounter for fracture with routine healing