Skip to main content

M61.441 vs M61.449

M61.441 (Other calcification of muscle, right hand) compared with M61.449 (Other calcification of muscle, unspecified hand), from the official CMS tabular data. M61.441 and M61.449 code the same condition on opposite sides. MedCoder-derived

Relationship

Review

Laterality relationship

M61.441
Right
Other calcification of muscle, right hand
M61.449
Unspecified
Other calcification of muscle, unspecified 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. M61.441 and M61.449 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

M61.441Other calcification of muscle, right handM61.449Other calcification of muscle, unspecified hand
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)
DefinitionOther calcification of muscle, right hand is a billable ICD-10-CM diagnosis code (M61.441).Other calcification of muscle, unspecified hand is a billable ICD-10-CM diagnosis code (M61.449).

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