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S89.291P vs S89.299P

S89.291P (Other physeal fracture of upper end of right fibula, subsequent encounter for fracture with malunion) compared with S89.299P (Other physeal fracture of upper end of unspecified fibula, subsequent encounter for fracture with malunion), from the official CMS tabular data. S89.291P and S89.299P code the same condition on opposite sides.

Relationship

Review

Laterality relationship

S89.291P
Right
Other physeal fracture of upper end of right fibula, subsequent encounter for fracture with malunion
S89.299P
Unspecified
Other physeal fracture of upper end of unspecified fibula, subsequent encounter for fracture with malunion

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. S89.291P and S89.299P 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

S89.291POther physeal fracture of upper end of right fibula, subsequent encounter for fracture with malunionS89.299POther physeal fracture of upper end of unspecified fibula, subsequent encounter for fracture with malunion
Billing statusBillableBillable
ClassificationS00-T88 — Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88)S00-T88 — Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88)
DefinitionOther physeal fracture of upper end of right fibula, subsequent encounter for fracture with malunion is a billable ICD-10-CM diagnosis code (S89.291P).Other physeal fracture of upper end of unspecified fibula, subsequent encounter for fracture with malunion is a billable ICD-10-CM diagnosis code (S89.299P).
7th characterThe appropriate 7th character is to be added to each code from subcategories S89.0, S89.1, S89.2, and S89.3The appropriate 7th character is to be added to each code from subcategories S89.0, S89.1, S89.2, and S89.3

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