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Malassezia folliculitis, also known as pityrosporum folliculitis, is an infection of the pilosebaceous unit caused by lipophilic Malassezia yeasts particularly M. globosa, M. sympodialis and M. restricta.
L73.9 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM L73.9 became effective on October 1, 2024. This is the American ICD-10-CM version of L73.9 - other international versions of ICD-10 L73.9 may differ.
20 mar 2018 · Pityrosporum folliculitis is an acute, intensely pruritic eruption caused by Malassezia furfur, the causative organism of tinea versicolor. The condition frequently manifests as follicular papules and pustules on the upper trunk (ie, upper back and chest as well as shoulders) of young to middle-aged adults.
Although sometimes morphologically similar, pityrosporum folliculitis has some unique clinical features, such as pruritus (which can be severe), a predilection for monomorphic primary lesions, and will not respond to oral antibiotics (and may even worsen in this setting). •
folliculitis has clinical and Pityrosporum pathophysiologic similarities to acne vulgaris and may be under-recognized. Pruritic, fine monomorphic papules and pustules on the face and back in patients previously treated with antibiotics. suggest a diagnosis of Pityrosporum folliculitis.
25 kwi 2022 · Pityrosporum folliculitis happens when too much Malassezia yeast grows on the skin and infects the hair follicles. The condition causes an itchy rash on the face, head and upper body. Healthcare providers treat pityrosporum folliculitis with topical antifungal creams and antifungal medications.
Pityrosporum folliculitis is an under-recognized eruption of the face and upper portion of the trunk that may be confused with, or occur simultaneously with, acne vulgaris.
