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S52.012K vs S52.019K

S52.012K (Torus fracture of upper end of left ulna, subsequent encounter for fracture with nonunion) compared with S52.019K (Torus fracture of upper end of unspecified ulna, subsequent encounter for fracture with nonunion), from the official CMS tabular data. S52.012K and S52.019K code the same condition on opposite sides.

Relationship

Review

Laterality relationship

S52.012K
Left
Torus fracture of upper end of left ulna, subsequent encounter for fracture with nonunion
↔
S52.019K
Unspecified
Torus fracture of upper end of unspecified ulna, 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. S52.012K and S52.019K 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

S52.012KTorus fracture of upper end of left ulna, subsequent encounter for fracture with nonunionS52.019KTorus fracture of upper end of unspecified ulna, 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 upper end of left ulna, subsequent encounter for fracture with nonunion is a billable ICD-10-CM diagnosis code (S52.012K).Torus fracture of upper end of unspecified ulna, subsequent encounter for fracture with nonunion is a billable ICD-10-CM diagnosis code (S52.019K).
7th characterThe appropriate 7th character is to be added to all codes in subcategory S52.01The appropriate 7th character is to be added to all codes in subcategory S52.01
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Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources