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M89.441 vs M89.442

M89.441 (Other hypertrophic osteoarthropathy, right hand) compared with M89.442 (Other hypertrophic osteoarthropathy, left hand), from the official CMS tabular data. M89.441 and M89.442 code the same condition on opposite sides. MedCoder-derived

Relationship

Review

Laterality relationship

M89.441
Right
Other hypertrophic osteoarthropathy, right hand
M89.442
Left
Other hypertrophic osteoarthropathy, left hand

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. M89.441 and M89.442 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

M89.441Other hypertrophic osteoarthropathy, right handM89.442Other hypertrophic osteoarthropathy, left hand
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 hand is a billable ICD-10-CM diagnosis code (M89.441).Other hypertrophic osteoarthropathy, left hand is a billable ICD-10-CM diagnosis code (M89.442).

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