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M86.112 vs M86.119

M86.112 (Other acute osteomyelitis, left shoulder) compared with M86.119 (Other acute osteomyelitis, unspecified shoulder), from the official CMS tabular data. M86.112 and M86.119 code the same condition on opposite sides. MedCoder-derived

Relationship

Review

Laterality relationship

M86.112
Left
Other acute osteomyelitis, left shoulder
M86.119
Unspecified
Other acute osteomyelitis, unspecified shoulder

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. M86.112 and M86.119 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

M86.112Other acute osteomyelitis, left shoulderM86.119Other acute osteomyelitis, unspecified shoulder
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 acute osteomyelitis, left shoulder is a billable ICD-10-CM diagnosis code (M86.112).Other acute osteomyelitis, unspecified shoulder is a billable ICD-10-CM diagnosis code (M86.119).
Use additional code
code (B95-B97) to identify infectious agent
code to identify major osseous defect, if applicable (M89.7-)
code (B95-B97) to identify infectious agent
code to identify major osseous defect, if applicable (M89.7-)

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