Ill. Admin. Code tit. 77, § 661.620
b) Primary healthcare providers such as, but not limited to, physicians, advanced practice nurses, physician assistants, and otolaryngologists shall perform the following Early Intervention services in accordance with federal regulations (34 CFR 303.303):
c) Audiologists shall report to the Department in a format determined by the Department any procedure or service for newborn hearing screening or for a new hearing loss diagnosis of a child through 6 years of age. In addition to reporting requirements, audiologists shall perform the following (Section 10 and 23(b) of 410 ILCS 213):