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. 2015 Jun 12;10(6):e0129793. doi: 10.1371/journal.pone.0129793

Table 2. Diagnoses (ICD-8 and ICD-10) and medication (ATC) codes used in the study.

Diseases & medication ICD & ATC codes
Thyroid diseases and medication
    Hypothyroidism ICD-10: E02-03, E063
    Hyperthyroidism ICD-10: E05, E062
    Any thyroid related disease ICD-8: 240–246, ICD-10: E00-E06, O905
    Levothyroxine ATC: H03AA01
    Methimazole ATC: H03BB01, H03BB02
    Propylthiouracil (PTU) ATC: H03BA02
Cardiovascular disease and medication
    Ischemic heart disease ICD-8: 411–414, ICD-10: I20, I23-I2
    Myocardial Infarction (MI) ICD-8: 410, ICD-10: I21, I22
    Any cardiovascular related diagnoses ICD-10: I00-I99
    Amiodarone ATC: C01BD01
Other diseases and medication
    Lithium ATC: N05AN01
    Corticosteroids ATC: H02AB