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S52.121D vs S52.123D

S52.121D (Displaced fracture of head of right radius, subsequent encounter for closed fracture with routine healing) compared with S52.123D (Displaced fracture of head of unspecified radius, subsequent encounter for closed fracture with routine healing), from the official CMS tabular data. S52.121D and S52.123D code the same condition on opposite sides.

Relationship

Review

Laterality relationship

S52.121D
Right
Displaced fracture of head of right radius, subsequent encounter for closed fracture with routine healing
S52.123D
Unspecified
Displaced fracture of head of unspecified radius, subsequent encounter for closed fracture with routine healing

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. S52.121D and S52.123D 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

S52.121DDisplaced fracture of head of right radius, subsequent encounter for closed fracture with routine healingS52.123DDisplaced fracture of head of unspecified radius, subsequent encounter for closed fracture with routine healing
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 head of right radius, subsequent encounter for closed fracture with routine healing is a billable ICD-10-CM diagnosis code (S52.121D).Displaced fracture of head of unspecified radius, subsequent encounter for closed fracture with routine healing is a billable ICD-10-CM diagnosis code (S52.123D).
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