Costco hearing aids are also covered by warranty, but. Web in preparation for your appointment, please print and complete a patient intake form and bring it in with you to your appointment. Find a warehouse patient intake form privacy notice kirkland signature™ premium Send out signed costco hearing test forms or print it. Web access the online appointment system for costco hearing aid where you can make, cancel, or change any appointment by clicking here, selecting the reason for the appointment and providing your contact details.