18763 Validation of case identification for alopecia areata using International Classification of Diseases (ICD) codingdoi:10.1016/j.jaad.2020.06.969Sara J. LiJonathan LavianEunice LeeLindsey BordoneArash MostaghimiJournal of the American Academy of Dermatology...
Methods We linked electronic health records from a large healthcare system in Massachusetts (Mass General Brigham) with Medicaid claims data from 2016 through 2018 to identify all women aged 18 to 50 years with an ICD‐10 code for alopecia, including alopecia areata, androgenic alopecia, non‐...
LIMITATIONS: The use of insurance claims data did not allow analysis of over-the-counter medications and treatments, and the lack of a single ICD-10 code for defining AA could have resulted in misclassification of outcomes. DISCLOSURES: The study received no outside funding, and Lee had no di...
352. COVID-19 Not a Risk Factor of Alopecia Areata: Results of a National Cohort Study in South KoreaBACKGROUND. There have been approximately 158 million coronavirus disease 2019 (COVID-19) pandemic survivors worldwide by June 9, 2021. As a result, concerns about hair loss in COVID-19 ...
1.1. Alopecia Areata (AA) and Attention-Deficit/Hyperactivity Disorder (ADHD) Alopecia areata (AA) is an autoimmune condition that attacks the hair follicles, causing nonscarring hair loss [1]. In healthy individuals, hair follicles are immune privilege zones, but in individuals with AA, they ...