We welcome your inquiries/suggestions. Please indicate the CAHFS laboratory you wish to contact, your name, e-mail, and subject. If you are inquiring about a specific case, please include your case number in the subject line. We will respond to your inquiry at our earliest convenience. Hours of operation are Monday-Friday from 8:00 am - 5:00 pm except holidays. After-hours and weekend submissions are accepted at the discretion of the on-call diagnostician; extra fees will apply. Contact your laboratory for instructions.