S99.291A (Other physeal fracture of phalanx of right toe, initial encounter for closed fracture) compared with S99.299A (Other physeal fracture of phalanx of unspecified toe, initial encounter for closed fracture), from the official CMS tabular data. S99.291A and S99.299A code the same condition on opposite sides. MedCoder-derived
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)
Same condition, opposite side. S99.291A and S99.299A 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.
| S99.291AOther physeal fracture of phalanx of right toe, initial encounter for closed fracture | S99.299AOther physeal fracture of phalanx of unspecified toe, initial encounter for closed fracture | |
|---|---|---|
| Billing status | Billable | Billable |
| Classification | S00-T88 — Injury, poisoning and certain other consequences of external causes | S00-T88 — Injury, poisoning and certain other consequences of external causes |
| Definition | Other physeal fracture of phalanx of right toe, initial encounter for closed fracture is a billable ICD-10-CM diagnosis code (S99.291A). | Other physeal fracture of phalanx of unspecified toe, initial encounter for closed fracture is a billable ICD-10-CM diagnosis code (S99.299A). |
| 7th character | The appropriate 7th character is to be added to each code from subcategories S99.2 | The 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