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S89.301A vs S89.309A

S89.301A (Unspecified physeal fracture of lower end of right fibula, initial encounter for closed fracture) compared with S89.309A (Unspecified physeal fracture of lower end of unspecified fibula, initial encounter for closed fracture), from the official CMS tabular data. S89.301A and S89.309A code the same condition on opposite sides.

Relationship

Review

Laterality relationship

S89.301A
Right
Unspecified physeal fracture of lower end of right fibula, initial encounter for closed fracture
S89.309A
Unspecified
Unspecified physeal fracture of lower end of unspecified fibula, 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. S89.301A and S89.309A 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

S89.301AUnspecified physeal fracture of lower end of right fibula, initial encounter for closed fractureS89.309AUnspecified physeal fracture of lower end of unspecified fibula, initial encounter for closed fracture
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)
DefinitionUnspecified physeal fracture of lower end of right fibula, initial encounter for closed fracture is a billable ICD-10-CM diagnosis code (S89.301A).Unspecified physeal fracture of lower end of unspecified fibula, initial encounter for closed fracture is a billable ICD-10-CM diagnosis code (S89.309A).
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