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M84.522S vs M84.529S

M84.522S (Pathological fracture in neoplastic disease, left humerus, sequela) compared with M84.529S (Pathological fracture in neoplastic disease, unspecified humerus, sequela), from the official CMS tabular data. M84.522S and M84.529S code the same condition on opposite sides. MedCoder-derived

Relationship

Review

Laterality relationship

M84.522S
Left
Pathological fracture in neoplastic disease, left humerus, sequela
M84.529S
Unspecified
Pathological fracture in neoplastic disease, unspecified humerus, sequela

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. M84.522S and M84.529S 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

M84.522SPathological fracture in neoplastic disease, left humerus, sequelaM84.529SPathological fracture in neoplastic disease, unspecified humerus, sequela
Billing statusBillableBillable
ClassificationM00-M99 — Diseases of the musculoskeletal system and connective tissueM00-M99 — Diseases of the musculoskeletal system and connective tissue
DefinitionPathological fracture in neoplastic disease, left humerus, sequela is a billable ICD-10-CM diagnosis code (M84.522S).Pathological fracture in neoplastic disease, unspecified humerus, sequela is a billable ICD-10-CM diagnosis code (M84.529S).
7th characterThe appropriate 7th character is to be added to each code from subcategory M84.5:The appropriate 7th character is to be added to each code from subcategory M84.5:

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