ICD-10-CM 2027
ICD-10 code for Histoplasmic chorioretinitis
From the official ICD-10-CM alphabetic index entry “Chorioretinitis › histoplasmic”. Page updated September 29, 2026.
About coding Histoplasmic chorioretinitis
The ICD-10-CM code for Histoplasmic chorioretinitis is B39.9 (Histoplasmosis, unspecified).
Within B39, choose B39.9 (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), capsulati, unspecified (B39.4) and duboisii (B39.5).
Code first: associated AIDS (B20).
Use an additional code for any associated manifestations, such as: endocarditis (I39), meningitis (G02), pericarditis (I32) and retinitis (H32).
Common questions about Histoplasmic chorioretinitis ICD-10 codes
What is the ICD-10 code for Histoplasmic chorioretinitis?
- B39.9 — Histoplasmosis, unspecified.
Is B39.9 billable?
- Yes. B39.9 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can B39.9 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict B39.9 as a principal diagnosis.
Is B39.9 a CC or MCC?
- No. B39.9 is neither a CC nor an MCC under MS-DRG v44.0.