B49
ICD-10-CMThis code represents a fungal infection where the specific type of fungus or the anatomical site of the infection has not been identified or documented. It indicates the presence of a mycotic disease without further diagnostic specificity.
Use this code when documentation confirms a fungal infection but lacks details regarding the causative organism (e.g., Candida, Aspergillus) or the primary site of involvement (e.g., cutaneous, systemic, pulmonary). This is typically an interim code used when diagnostic workup is incomplete or when the provider explicitly states "unspecified mycosis."
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