World Health Organization, International Classification of Diseases, which may be accessed at https://www.who.int/standards/classifications/classification-of-diseases
Ill. Admin. Code tit. 77, § 560.110
World Health Organization, International Classification of Diseases, which may be accessed at https://www.who.int/standards/classifications/classification-of-diseases
Ill. Admin. Code tit. 77, § 560.110