A02.24 (Salmonella osteomyelitis) compared with M86.8X42 (Other osteomyelitis, left hand), from the official CMS tabular data. Do not report these codes together: the official tabular list marks them Excludes1. MedCoder-derived
Not coded here — these two are mutually exclusive.
“salmonella (A02.24)”
An Excludes1 note means the two conditions cannot occur together, so the pair should not be reported for the same encounter. The sole exception is when the conditions are documented as unrelated to each other.
Source: CMS ICD-10-CM tabular instructional notes; ICD-10-CM Official Guidelines, Section I.A.12.a
No — do not report together. M86.8X42 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).
| A02.24Salmonella osteomyelitis | M86.8X42Other osteomyelitis, left hand | |
|---|---|---|
| Billing status | Billable | Billable |
| 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). | Other osteomyelitis, left hand is a billable ICD-10-CM diagnosis code (M86.8X42). |
| 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