Little is known about the validity of ICD-10-CM codes for atopic dermatitis (AD) in healthcare claims databases. We assessed the validity of ICD-10-CM codes for identifying adult patients with AD. The healthcare claims database from a large metropolitan tertiary care medical...
This cross-sectional study examines the changes in the number of visits to outpatient clinics for atopic dermatitis and itch by adults and children in San
We assessed the Korean NHID from 2017 to 2018 and medical records were analyzed according to the ICD-10-CM codes. From this database, two groups were defined: an AD patient group and a control group. A total of 2,517,401 subjects under the ICD-10 code L20 were included in the AD ...
were excluded from the analyses. “AD reimb” cases had an entry of KELA reimbursement codes 134 (erythrodermia exfoliativa universalis), 395 (dupilumab), or 317 (topical calcineurin inhibitors). “AD strict” cases had an entry of ICD-10 code L20.0, ICD-9 code 6918B, or ICD-8 code ...
Materials and methods: Children under 12 years of age with ICD-9 codes 691.8 and 692.x were identified as atopic dermatitis patients from 2007/1/1 to 2007/12/31. Corticosteroid use was compared between TCM users and non-users for one-year follow-up by using a general estimation equation...
Methods: We reviewed electronic medical records of patients hospitalized (billing codes 99221–99223, 99217) with diagnoses encompassing AD, eczema, and dermatitis (ICD‐10 codes L20.8‐L20.9, L30.8‐L30.9) between January 1, 2011, and December 31, 2021, at University Hospitals (UH) i...
ICD-10 codesPositive predictive valueAlgorithmAtopic Dermatitis (AD) is a chronic, inflammatory skin condition that imposes an enormous personal and economic burden in the United States. Due to the ubiquity of the use of electronic medical records (EMR) in the United States, utilizing such data ...
Adult-onset atopic dermatitisAtopic dermatitis (AD) is a chronic skin condition that can manifest in childhood and persist into adulthood or can present de novo in adults. The clinical presentation of adults with AD may differ among those with pediatric-onset versus adult-onset disease and ...
Diagnosis was determined using International Classification of Diseases (ICD)-9 or ICD-10 codes for AD (≥2 claims for AD or ≥1 claim for AD with asthma and/or hay fever, food allergies, allergic rhinitis, or eczema) and RA (≥2 claims ≥ 7 days apart and fil...
Very severe AA (subset of moderate-to-severe AA) was defined by a diagnosis of alopecia universalis (ICD-10-CM: L63.1) or alopecia totalis (ICD-10-CM: L63.0). AD was defined as ≥1 inpatient or ≥2 outpatient claims with diagnosis codes for AD (ICD-10-CM L20.x...