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M84.751K vs M84.752K

M84.751K (Incomplete atypical femoral fracture, right leg, subsequent encounter for fracture with nonunion) compared with M84.752K (Incomplete atypical femoral fracture, left leg, subsequent encounter for fracture with nonunion), from the official CMS tabular data. M84.751K and M84.752K code the same condition on opposite sides. MedCoder-derived

Relationship

Review

Laterality relationship

M84.751K
Right
Incomplete atypical femoral fracture, right leg, subsequent encounter for fracture with nonunion
M84.752K
Left
Incomplete atypical femoral fracture, left leg, 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. M84.751K and M84.752K 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

M84.751KIncomplete atypical femoral fracture, right leg, subsequent encounter for fracture with nonunionM84.752KIncomplete atypical femoral fracture, left leg, subsequent encounter for fracture with nonunion
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)
DefinitionIncomplete atypical femoral fracture, right leg, subsequent encounter for fracture with nonunion is a billable ICD-10-CM diagnosis code (M84.751K).Incomplete atypical femoral fracture, left leg, subsequent encounter for fracture with nonunion is a billable ICD-10-CM diagnosis code (M84.752K).
7th characterThe appropriate 7th character is to be added to each code from M84.75:The appropriate 7th character is to be added to each code from M84.75:

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