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S52.235M vs S52.236M

S52.235M (Nondisplaced oblique fracture of shaft of left ulna, subsequent encounter for open fracture type I or II with nonunion) compared with S52.236M (Nondisplaced oblique fracture of shaft of unspecified ulna, subsequent encounter for open fracture type I or II with nonunion), from the official CMS tabular data. S52.235M and S52.236M code the same condition on opposite sides.

Relationship

Review

Laterality relationship

S52.235M
Left
Nondisplaced oblique fracture of shaft of left ulna, subsequent encounter for open fracture type I or II with nonunion
S52.236M
Unspecified
Nondisplaced oblique fracture of shaft of unspecified ulna, 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. S52.235M and S52.236M 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

S52.235MNondisplaced oblique fracture of shaft of left ulna, subsequent encounter for open fracture type I or II with nonunionS52.236MNondisplaced oblique fracture of shaft of unspecified ulna, 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 oblique fracture of shaft of left ulna, subsequent encounter for open fracture type I or II with nonunion is a billable ICD-10-CM diagnosis code (S52.235M).Nondisplaced oblique fracture of shaft of unspecified ulna, subsequent encounter for open fracture type I or II with nonunion is a billable ICD-10-CM diagnosis code (S52.236M).
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