ICD-10-CM 2027
ICD-10 code for capsulati histoplasmosis
From the official ICD-10-CM alphabetic index entry “Histoplasmosis › capsulati”. Page updated September 29, 2026.
About coding capsulati histoplasmosis
The ICD-10-CM code for capsulati histoplasmosis is B39.4 (Histoplasmosis capsulati, unspecified). The official index lists 5 more specific codes, so check the documentation for details such as type, cause, site or severity before settling on B39.4.
Within B39, choose B39.4 (capsulati, unspecified) only when documentation doesn't support a more specific option: acute pulmonary histoplasmosis capsulati (B39.0), chronic pulmonary histoplasmosis capsulati (B39.1), pulmonary histoplasmosis capsulati, unspecified (B39.2), disseminated histoplasmosis capsulati (B39.3), duboisii (B39.5) and unspecified (B39.9).
Code first: associated AIDS (B20).
Use an additional code for any associated manifestations, such as: endocarditis (I39), meningitis (G02), pericarditis (I32) and retinitis (H32).
More specific capsulati histoplasmosis codes (official index)
Common questions about capsulati histoplasmosis ICD-10 codes
What is the ICD-10 code for capsulati histoplasmosis?
- B39.4 — Histoplasmosis capsulati, unspecified. More specific codes apply when the documentation supports them: B39.3, B39.3, B39.2, B39.0 and others below.
What is the ICD-10 code for disseminated capsulati histoplasmosis?
- B39.3 — Disseminated histoplasmosis capsulati.
What is the ICD-10 code for generalized capsulati histoplasmosis?
- B39.3 — Disseminated histoplasmosis capsulati.
What is the ICD-10 code for pulmonary capsulati histoplasmosis?
- B39.2 — Pulmonary histoplasmosis capsulati, unspecified.
Is B39.4 billable?
- Yes. B39.4 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can B39.4 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict B39.4 as a principal diagnosis.
Is B39.4 a CC or MCC?
- No. B39.4 is neither a CC nor an MCC under MS-DRG v44.0.