Skip to main content

S99.231A vs S99.239A

S99.231A (Salter-Harris Type III physeal fracture of phalanx of right toe, initial encounter for closed fracture) compared with S99.239A (Salter-Harris Type III physeal fracture of phalanx of unspecified toe, initial encounter for closed fracture), from the official CMS tabular data. S99.231A and S99.239A code the same condition on opposite sides. MedCoder-derived

Relationship

Review

Laterality relationship

S99.231A
Right
Salter-Harris Type III physeal fracture of phalanx of right toe, initial encounter for closed fracture
S99.239A
Unspecified
Salter-Harris Type III physeal fracture of phalanx of unspecified toe, initial encounter for closed fracture

Same condition; these differ only in which side is documented.

These codes share a category and title and differ only in the side affected. The documentation decides which applies, and a bilateral code is reported only where the code set provides one.

Source: ICD-10-CM tabular list (laterality variant derived from the code title)

Can these codes be reported together?

Same condition, opposite side. S99.231A and S99.239A name the same condition on opposite sides of the body.

Same category and title, differing only in which side is affected — the documentation decides which one applies, and a bilateral code is reported only where the code set provides one.

Side by side

S99.231ASalter-Harris Type III physeal fracture of phalanx of right toe, initial encounter for closed fractureS99.239ASalter-Harris Type III physeal fracture of phalanx of unspecified toe, initial encounter for closed fracture
Billing statusBillableBillable
ClassificationS00-T88 — Injury, poisoning and certain other consequences of external causesS00-T88 — Injury, poisoning and certain other consequences of external causes
DefinitionSalter-Harris Type III physeal fracture of phalanx of right toe, initial encounter for closed fracture is a billable ICD-10-CM diagnosis code (S99.231A).Salter-Harris Type III physeal fracture of phalanx of unspecified toe, initial encounter for closed fracture is a billable ICD-10-CM diagnosis code (S99.239A).
7th characterThe appropriate 7th character is to be added to each code from subcategories S99.2The appropriate 7th character is to be added to each code from subcategories S99.2

Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources