Skip to main content

S52.521K vs S52.522K

S52.521K (Torus fracture of lower end of right radius, subsequent encounter for fracture with nonunion) compared with S52.522K (Torus fracture of lower end of left radius, subsequent encounter for fracture with nonunion), from the official CMS tabular data. S52.521K and S52.522K code the same condition on opposite sides. MedCoder-derived

Relationship

Review

Laterality relationship

S52.521K
Right
Torus fracture of lower end of right radius, subsequent encounter for fracture with nonunion
↔
S52.522K
Left
Torus fracture of lower end of left radius, subsequent encounter for fracture with nonunion

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. S52.521K and S52.522K 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

S52.521KTorus fracture of lower end of right radius, subsequent encounter for fracture with nonunionS52.522KTorus fracture of lower end of left radius, subsequent encounter for fracture with nonunion
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)
DefinitionTorus fracture of lower end of right radius, subsequent encounter for fracture with nonunion is a billable ICD-10-CM diagnosis code (S52.521K).Torus fracture of lower end of left radius, subsequent encounter for fracture with nonunion is a billable ICD-10-CM diagnosis code (S52.522K).
7th characterThe appropriate 7th character is to be added to all codes in subcategory S52.52The appropriate 7th character is to be added to all codes in subcategory S52.52
Edit this comparisonCheck a whole claim

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