Whether or not the results of an analysis are to be included in the data bank, the Department shall conduct the DNA analysis in accordance with procedures adopted by the Department to determine identification characteristics specific to the individual whose sample is being analyzed. The Director or his designated representative shall complete and maintain on file a form indicating the name of the person whose sample is to be analyzed, the date and by whom the blood, saliva or tissue sample was received and examined, and a statement that the seal on the tube or envelope containing the sample had not been broken or otherwise tampered with. The remainder of a blood, saliva or tissue sample submitted for analysis and inclusion in the data bank pursuant to § 19.2-310.2 or 19.2-310.2:1 may be divided, labeled as provided for the original sample, and securely stored by the Department in accordance with specific procedures adopted by regulation of the Department to ensure the integrity and confidentiality of the samples. All or part of the remainder of that sample may be used only (i) to create a statistical database provided no identifying information on the individual whose sample is being analyzed is included or (ii) for retesting by the Department to validate or update the original analysis. A report of the results of a DNA analysis conducted by the Department as authorized shall be made and maintained at the Department. A certificate and the results of the analysis shall be admissible in any court as evidence of the facts therein stated. Except as specifically provided in this section and § 19.2-310.5, the results of the analysis shall be securely stored and shall remain confidential.