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M96.631 vs M96.639

M96.631 (Fracture of radius or ulna following insertion of orthopedic implant, joint prosthesis, or bone plate, right arm) compared with M96.639 (Fracture of radius or ulna following insertion of orthopedic implant, joint prosthesis, or bone plate, unspecified arm), from the official CMS tabular data. M96.631 and M96.639 code the same condition on opposite sides.

Relationship

Review

Laterality relationship

M96.631
Right
Fracture of radius or ulna following insertion of orthopedic implant, joint prosthesis, or bone plate, right arm
M96.639
Unspecified
Fracture of radius or ulna following insertion of orthopedic implant, joint prosthesis, or bone plate, unspecified arm

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. M96.631 and M96.639 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

M96.631Fracture of radius or ulna following insertion of orthopedic implant, joint prosthesis, or bone plate, right armM96.639Fracture of radius or ulna following insertion of orthopedic implant, joint prosthesis, or bone plate, unspecified arm
Billing statusBillableBillable
ClassificationM00-M99 — Diseases of the Musculoskeletal System and Connective Tissue (M00-M99)M00-M99 — Diseases of the Musculoskeletal System and Connective Tissue (M00-M99)
DefinitionFracture of radius or ulna following insertion of orthopedic implant, joint prosthesis, or bone plate, right arm is a billable ICD-10-CM diagnosis code (M96.631).Fracture of radius or ulna following insertion of orthopedic implant, joint prosthesis, or bone plate, unspecified arm is a billable ICD-10-CM diagnosis code (M96.639).

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