S99.121
⚠ Non-billable (Header)Salter-Harris Type II physeal fracture of right metatarsal
Injury, poisoning and certain other consequences of external causes (S00-T88)
⚠️ This is a category header code — not billable. Use a more specific child code below.
✅ No additional coding notes for S99.121
Child Codes (7)
S99.121ASalter-Harris Type II physeal fracture of right metatarsal, initial encounter for closed fractureS99.121BSalter-Harris Type II physeal fracture of right metatarsal, initial encounter for open fractureS99.121DSalter-Harris Type II physeal fracture of right metatarsal, subsequent encounter for fracture with routine healingS99.121GSalter-Harris Type II physeal fracture of right metatarsal, subsequent encounter for fracture with delayed healingS99.121KSalter-Harris Type II physeal fracture of right metatarsal, subsequent encounter for fracture with nonunionS99.121PSalter-Harris Type II physeal fracture of right metatarsal, subsequent encounter for fracture with malunionS99.121SSalter-Harris Type II physeal fracture of right metatarsal, sequela
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CodeS99.121
BillableNo — Header code
ParentS99.12
CategoryInjury, poisoning and certain other consequences of external causes (S00-T88)
Excludes10 rule(s)
Excludes20 note(s)
Child codes7
Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)