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S52.001B vs S52.002B

S52.001B (Unspecified fracture of upper end of right ulna, initial encounter for open fracture type I or II) compared with S52.002B (Unspecified fracture of upper end of left ulna, initial encounter for open fracture type I or II), from the official CMS tabular data. S52.001B and S52.002B code the same condition on opposite sides. MedCoder-derived

Relationship

Review

Laterality relationship

S52.001B
Right
Unspecified fracture of upper end of right ulna, initial encounter for open fracture type I or II
S52.002B
Left
Unspecified fracture of upper end of left ulna, initial encounter for open fracture type I or II

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. S52.001B and S52.002B 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

S52.001BUnspecified fracture of upper end of right ulna, initial encounter for open fracture type I or IIS52.002BUnspecified fracture of upper end of left ulna, initial encounter for open fracture type I or II
Billing statusBillableBillable
ClassificationS00-T88 — Injury, poisoning and certain other consequences of external causesS00-T88 — Injury, poisoning and certain other consequences of external causes
DefinitionUnspecified fracture of upper end of right ulna, initial encounter for open fracture type I or II is a billable ICD-10-CM diagnosis code (S52.001B).Unspecified fracture of upper end of left ulna, initial encounter for open fracture type I or II is a billable ICD-10-CM diagnosis code (S52.002B).
7th characterThe appropriate 7th character is to be added to all codes from category S52The appropriate 7th character is to be added to all codes from category S52

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