ICD-10-CM
ICD-10 code for Chorioretinitis histoplasmic: B39.9
The ICD-10-CM index points "Chorioretinitis histoplasmic" to B39.9, Histoplasmosis, unspecified. B39.9 is a billable code. The index also gives H32 (Chorioretinal disorders in diseases classified elsewhere) for the manifestation, the problem the disease causes. Report B39.9 first, then H32.
Source: CDC ICD-10-CM FY2027 Alphabetic Index file dated June 16, 2026. Publisher page
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