Thank for contacting the ASHA Action Center.
We have a universal newborn hearing screening in almost every state in the U.S. In other words, most states require that they have their hearing tested before being discharged from the hospital. Usually, the baby is one to two days old.
The following are links to the information regarding the newborn hearing screening programs:
Principals and Guidelines for Early Detection and Intervention Programs:
http://www.asha.org/docs/html/PS2007-00281.html
http://www.asha.org/about/legislation-advocacy/federal/ehdi/model_bill.htm
http://www.asha.org/about/publications/leader-online/archives/99-00/nihs.htm
http://0-www.cdc.gov.pugwash.lib.warwick.ac.uk/ncbddd/ehdi/
Audiology Professional Practices Unit
American Speech-Language-Hearing Association
10801 Rockville Pike
Rockville, MD 20852
E-mail: audiology@asha.org