A02.24 vs M86
A02.24 (Salmonella osteomyelitis) compared with M86 (Osteomyelitis), from the official CMS tabular data. Do not report these codes together: the official tabular list marks them Excludes1.
Can these codes be reported together?
No — do not report together. M86 carries an Excludes1 note covering A02.24: “salmonella (A02.24)”
Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).
Side by side
| A02.24Salmonella osteomyelitis | M86Osteomyelitis | |
|---|---|---|
| Billing status | Billable | Non-billable header |
| Classification | A00-B99 — Certain Infectious and Parasitic Diseases (A00-B99) | M00-M99 — Diseases of the Musculoskeletal System and Connective Tissue (M00-M99) |
| Definition | Salmonella osteomyelitis is a billable ICD-10-CM diagnosis code (A02.24). | Osteomyelitis is a non-billable ICD-10-CM category code (M86). |
| Includes | infection or foodborne intoxication due to any Salmonella species other than S. typhi and S. paratyphi | — |
| Use additional code | — | 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