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S52.541Q vs S52.549Q

S52.541Q (Smith's fracture of right radius, subsequent encounter for open fracture type I or II with malunion) compared with S52.549Q (Smith's fracture of unspecified radius, subsequent encounter for open fracture type I or II with malunion), from the official CMS tabular data. S52.541Q and S52.549Q code the same condition on opposite sides. MedCoder-derived

Relationship

Review

Laterality relationship

S52.541Q
Right
Smith's fracture of right radius, subsequent encounter for open fracture type I or II with malunion
S52.549Q
Unspecified
Smith's fracture of unspecified radius, subsequent encounter for open fracture type I or II with malunion

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. S52.541Q and S52.549Q 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

S52.541QSmith's fracture of right radius, subsequent encounter for open fracture type I or II with malunionS52.549QSmith's fracture of unspecified radius, subsequent encounter for open fracture type I or II with malunion
Billing statusBillableBillable
ClassificationS00-T88 — Injury, poisoning and certain other consequences of external causesS00-T88 — Injury, poisoning and certain other consequences of external causes
DefinitionSmith's fracture of right radius, subsequent encounter for open fracture type I or II with malunion is a billable ICD-10-CM diagnosis code (S52.541Q).Smith's fracture of unspecified radius, subsequent encounter for open fracture type I or II with malunion is a billable ICD-10-CM diagnosis code (S52.549Q).
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