Retest Request Form

Retest specimens currently at the laboratory.

RTL Account Change Form

If you need to add test requests to a specimen that has been reported, please fax a completed Retest Request Form to the Toxicology Support Services Department at 707.577.0365.

Test requests will not be made until a signed copy is returned via fax. This form must be signed by authorized personnel. Appropriate charges will be applied to your account based on the test services requested.

Download form

The Resource Library includes information available in our printed Reference Guide, delivered to all new clients. To download a PDF of our Reference Guide, click here.