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S52.124M vs S52.126M

S52.124M (Nondisplaced fracture of head of right radius, subsequent encounter for open fracture type I or II with nonunion) compared with S52.126M (Nondisplaced fracture of head of unspecified radius, subsequent encounter for open fracture type I or II with nonunion), from the official CMS tabular data. S52.124M and S52.126M code the same condition on opposite sides.

Relationship

Review

Laterality relationship

S52.124M
Right
Nondisplaced fracture of head of right radius, subsequent encounter for open fracture type I or II with nonunion
S52.126M
Unspecified
Nondisplaced fracture of head of unspecified radius, subsequent encounter for open fracture type I or II 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. S52.124M and S52.126M 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

S52.124MNondisplaced fracture of head of right radius, subsequent encounter for open fracture type I or II with nonunionS52.126MNondisplaced fracture of head of unspecified radius, subsequent encounter for open fracture type I or II 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)
DefinitionNondisplaced fracture of head of right radius, subsequent encounter for open fracture type I or II with nonunion is a billable ICD-10-CM diagnosis code (S52.124M).Nondisplaced fracture of head of unspecified radius, subsequent encounter for open fracture type I or II with nonunion is a billable ICD-10-CM diagnosis code (S52.126M).
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