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M89.333 vs M89.334

M89.333 (Hypertrophy of bone, right radius) compared with M89.334 (Hypertrophy of bone, left radius), from the official CMS tabular data. M89.333 and M89.334 code the same condition on opposite sides. MedCoder-derived

Relationship

Review

Laterality relationship

M89.333
Right
Hypertrophy of bone, right radius
M89.334
Left
Hypertrophy of bone, left radius

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. M89.333 and M89.334 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

M89.333Hypertrophy of bone, right radiusM89.334Hypertrophy of bone, left radius
Billing statusBillableBillable
ClassificationM00-M99 — Diseases of the musculoskeletal system and connective tissueM00-M99 — Diseases of the musculoskeletal system and connective tissue
DefinitionHypertrophy of bone, right radius is a billable ICD-10-CM diagnosis code (M89.333).Hypertrophy of bone, left radius is a billable ICD-10-CM diagnosis code (M89.334).

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