Otolaryngology Coding Alert

B35-B49: Set Your Mycoses ICD-10 Coding Straight Alphanumeric code B44.9 will replace ICD-9 117.3 for aspergillosis.A mycosis is any bodily infection caused by parasitic fungus, which may be treated with any one of the numerous fungal antiobiotics. ICD-9-CM classifies mycoses under the 110-118 category.When ICD-9-CM shifts to ICD-10-CM in 2013, mycoses will be classified under the Certain Infectious and Parasitic Diseases category, with the following subcategories:B35 -- Dermatophytosis;B36 -- Other superficial mycoses;B37 -- Candidiasis;B38 -- Coccidioidomycosis;B39 -- Histoplasmosis;B40 -- Blastomycosis;B41 -- Paracoccidioidomycosis;B42 -- Sporotrichosis;B43 -- Chromomycosis and pheomycotic abscess;B44 -- Aspergillosis;B45 -- Cryptococcosis;B46 -- Zygomycosis;B47 -- Mycetoma;B48 -- Other mycoses, not elsewhere classified;B49 -- Unspecified mycosis.ICD difference: The coding rules related to mycoses will be generally the same in ICD-10-CM as in ICD-9-CM. The two major changes in the ICD-9-CM to ICD-10-CM code sets are structure and detail. The codes will move from a numeric five-character size to an alphanumeric seven-character size (aspergillosis, for example: from 117.3 in ICD-9-CM to B44.9 in ICD-10-CM).Code tips: Mycoses [...]