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S52.331B vs S52.333B

S52.331B (Displaced oblique fracture of shaft of right radius, initial encounter for open fracture type I or II) compared with S52.333B (Displaced oblique fracture of shaft of unspecified radius, initial encounter for open fracture type I or II), from the official CMS tabular data. S52.331B and S52.333B code the same condition on opposite sides.

Relationship

Review

Laterality relationship

S52.331B
Right
Displaced oblique fracture of shaft of right radius, initial encounter for open fracture type I or II
S52.333B
Unspecified
Displaced oblique fracture of shaft of unspecified radius, 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. S52.331B and S52.333B 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

S52.331BDisplaced oblique fracture of shaft of right radius, initial encounter for open fracture type I or IIS52.333BDisplaced oblique fracture of shaft of unspecified radius, initial encounter for open fracture type I or II
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)
DefinitionDisplaced oblique fracture of shaft of right radius, initial encounter for open fracture type I or II is a billable ICD-10-CM diagnosis code (S52.331B).Displaced oblique fracture of shaft of unspecified radius, initial encounter for open fracture type I or II is a billable ICD-10-CM diagnosis code (S52.333B).
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