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S99.291S vs S99.299S

S99.291S (Other physeal fracture of phalanx of right toe, sequela) compared with S99.299S (Other physeal fracture of phalanx of unspecified toe, sequela), from the official CMS tabular data. S99.291S and S99.299S code the same condition on opposite sides.

Relationship

Review

Laterality relationship

S99.291S
Right
Other physeal fracture of phalanx of right toe, sequela
S99.299S
Unspecified
Other physeal fracture of phalanx of unspecified toe, sequela

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. S99.291S and S99.299S 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

S99.291SOther physeal fracture of phalanx of right toe, sequelaS99.299SOther physeal fracture of phalanx of unspecified toe, sequela
Billing statusBillableBillable
ClassificationS00-T88 — Injury, poisoning and certain other consequences of external causesS00-T88 — Injury, poisoning and certain other consequences of external causes
DefinitionOther physeal fracture of phalanx of right toe, sequela is a billable ICD-10-CM diagnosis code (S99.291S).Other physeal fracture of phalanx of unspecified toe, sequela is a billable ICD-10-CM diagnosis code (S99.299S).
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