B47.1 Actinomycetoma

ICD-10-CM Diagnosis Code B47.1: Actinomycetoma

ICD-10-CM code B47.1 represents the diagnosis Actinomycetoma, an active disease or syndrome concept. It is classified under the parent category B47 for Mycetoma, within the broader B35-B49 range for mycoses. This specific code is distinct from related entries for Eumycetoma and unspecified Mycetoma. 1 2 4

Plain-language overview

ICD-10-CM code B47.1 identifies a specific health condition named Actinomycetoma, which the terminology classifies as a disease or syndrome rather than a routine service or external cause. 1

What this code represents

The code B47.1 represents the diagnosis Actinomycetoma and holds an active record status within the ICD-10-CM version 2026 terminology system maintained by authoritative vocabulary services. 1

Coding details

Within the coding hierarchy, B47.1 is a narrower concept under the parent code B47 for Mycetoma, which itself falls within the B35-B49 section designated for mycoses. 1 2

Code B47.1 is listed alongside related specific codes B47.0 for Eumycetoma and B47.9 for unspecified Mycetoma within the same category structure provided by operational coding references. 2 4

Documentation considerations

Clinical coding references list Actinomycetoma as a distinct entry separate from Eumycetoma and unspecified Mycetoma, and the official terminology record includes Actinomycetoma as a published abbreviation. 1 2 4

What the sources add

While one source establishes the official terminology and active status for B47.1, another source adds historical context by listing it as an approximate synonym or alternative mapping for the older ICD-9-CM code 039.9. 1 3

Clinical context

The terminology record for B47.1 includes Actinomycetoma as a published abbreviation, and clinical coding references note that Madura foot is associated with the broader B47 Mycetoma category rather than this specific code. 1 4

Questions to verify

Reviewers may need to verify whether any narrower concepts exist beneath B47.1 for more specific clinical documentation, as the terminology record indicates narrower concepts are present without enumerating them. 1

Sources

1. ICD-10-CM B47.1 terminology record — National Cancer Institute Enterprise Vocabulary Services; accessed 2026-07-27.
2. B47.1 - Actinomycetoma | ICD-10-CM — unboundmedicine.com; accessed 2026-07-27.
3. ICD-9-CM Diagnosis Code 039.9 : Actinomycotic infection of unspecified site — icd9data.com; accessed 2026-07-27.
4. Coding: ICD-10-CM Section B35-B49 — medicalcodecenter.com; accessed 2026-07-27.