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M86.021 vs M86.022

M86.021 (Acute hematogenous osteomyelitis, right humerus) compared with M86.022 (Acute hematogenous osteomyelitis, left humerus), from the official CMS tabular data. M86.021 and M86.022 code the same condition on opposite sides. MedCoder-derived

Relationship

Review

Laterality relationship

M86.021
Right
Acute hematogenous osteomyelitis, right humerus
M86.022
Left
Acute hematogenous osteomyelitis, left humerus

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. M86.021 and M86.022 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

M86.021Acute hematogenous osteomyelitis, right humerusM86.022Acute hematogenous osteomyelitis, left humerus
Billing statusBillableBillable
ClassificationM00-M99 — Diseases of the musculoskeletal system and connective tissueM00-M99 — Diseases of the musculoskeletal system and connective tissue
DefinitionAcute hematogenous osteomyelitis, right humerus is a billable ICD-10-CM diagnosis code (M86.021).Acute hematogenous osteomyelitis, left humerus is a billable ICD-10-CM diagnosis code (M86.022).
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