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S52.031B vs S52.033B

S52.031B (Displaced fracture of olecranon process with intraarticular extension of right ulna, initial encounter for open fracture type I or II) compared with S52.033B (Displaced fracture of olecranon process with intraarticular extension of unspecified ulna, initial encounter for open fracture type I or II), from the official CMS tabular data. S52.031B and S52.033B code the same condition on opposite sides.

Relationship

Review

Laterality relationship

S52.031B
Right
Displaced fracture of olecranon process with intraarticular extension of right ulna, initial encounter for open fracture type I or II
S52.033B
Unspecified
Displaced fracture of olecranon process with intraarticular extension of unspecified 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. S52.031B and S52.033B 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

S52.031BDisplaced fracture of olecranon process with intraarticular extension of right ulna, initial encounter for open fracture type I or IIS52.033BDisplaced fracture of olecranon process with intraarticular extension of unspecified ulna, 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 fracture of olecranon process with intraarticular extension of right ulna, initial encounter for open fracture type I or II is a billable ICD-10-CM diagnosis code (S52.031B).Displaced fracture of olecranon process with intraarticular extension of unspecified ulna, initial encounter for open fracture type I or II is a billable ICD-10-CM diagnosis code (S52.033B).
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