A48 vs B47.1
A48 and B47.1 can never be reported together. ICD-10-CM declares them mutually exclusive with an Excludes1 note, meaning the two conditions cannot occur in the same patient — so exactly one of them is correct for any given encounter.
The official note, declared on A48
actinomycetoma (B47.1)
A48
Other bacterial diseases, not elsewhere classified
Not billable
- Chapter 1
- Certain infectious and parasitic diseases
- Section
- A30-A49
B47.1
Actinomycetoma
Billable
- Chapter 1
- Certain infectious and parasitic diseases
- Section
- B35-B49
Indexed under
- Actinomycetoma (foot)
- Streptomycosis
- Infection, infected, infective › Actinomadura (opportunistic)
- Infection, infected, infective › Streptomyces (opportunistic)
- Mycetoma › actinomycotic
Excludes1 is not always absolute: where two conditions covered by the note are genuinely unrelated, CMS guidance permits reporting both. Document the reasoning rather than assuming it. More on Excludes1 vs Excludes2 · FY2027