Call 888-217-2719. Mold Testing. This is a diagnostic procedure. Its purpose is to determine if mold is present, what type of mold, and how much of the home has been affected. It provides a detailed picture of the mold issue, enabling professionals to strategize the next steps. Mold Clearance Testing. This serves as a verification step. Post mold remediation it ensures that the removal efforts were successful and that the mold levels are now within safe parameters.