DO_infectious_disease_slim DO_rare_slim subcutaneous mycosis chromoblastomycosis A subcutaneous mycosis that is a chronic subcutaneous fungal infection, which presents as nodular or verrucoid, ulcerated, or crusted skin lesions on exposed areas of skin caused by Fonsecaea pedrosoi, Fonsecaea compacta, Cladophialophora carrionii or Phialophora verrucosa. Histological examination reveals muriform cells (with perpendicular septations) or thick walled, dark-colored, rounded forms (copper pennies) that are characteristic of this infection. UMLS_CUI:C0008582 disease_ontology Chromomycosis ICD9CM:117.2 MESH:D002862 DOID:1562 ICD10CM:B43.9 Mossy foot disease SNOMEDCT_US_2025_09_01:187079000 GARD:1319