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M89.451 vs M89.452

M89.451 (Other hypertrophic osteoarthropathy, right thigh) compared with M89.452 (Other hypertrophic osteoarthropathy, left thigh), from the official CMS tabular data. M89.451 and M89.452 code the same condition on opposite sides. MedCoder-derived

Relationship

Review

Laterality relationship

M89.451
Right
Other hypertrophic osteoarthropathy, right thigh
M89.452
Left
Other hypertrophic osteoarthropathy, left thigh

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. M89.451 and M89.452 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

M89.451Other hypertrophic osteoarthropathy, right thighM89.452Other hypertrophic osteoarthropathy, left thigh
Billing statusBillableBillable
ClassificationM00-M99 — Diseases of the musculoskeletal system and connective tissueM00-M99 — Diseases of the musculoskeletal system and connective tissue
DefinitionOther hypertrophic osteoarthropathy, right thigh is a billable ICD-10-CM diagnosis code (M89.451).Other hypertrophic osteoarthropathy, left thigh is a billable ICD-10-CM diagnosis code (M89.452).

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