Section 17F. The commission shall provide to any active or retired employee of the commonwealth who is insured under the group insurance commission coverage for the cost of a newborn hearing screening test to be performed before the newborn infant is discharged from the hospital or birthing center to the care of the parent or guardian or as provided by regulations of the department of public health. Nothing contained in this section shall be construed to abrogate any obligation to provide coverage for a hearing screening test or any other hearing screening test or audiological diagnostic procedure pursuant to any law or regulation of the commonwealth or of the United States or under any of the terms or provisions of any policy, contract or certification.