Enrollment Deadline: 1 November 2025

Participants will screen samples for body fluids, analyze samples for DNA using probabalistic genotyping software, and report statistical conclusions. This test can be paired with several other tests to meet FBI QAS test frequency requirements, including Test 5904/5, Test 5704 or 5705, and Test 5804 or 5805.

Sample Description: Choose between known bloodstain standards on cloth substrate (Test 5901) or FTA™ Micro Cards (Test 5902). Two questioned mixture stains will be provided; at least one will be appropriate for differential testing. Samples for Tests 5901 and 5902 are sourced from the same donors and shipped at the same time, and reporting aspects are combined. Different sources are used for Test 5904/5.

Samples ship in February.

This test is included on CTS' Scope of Accreditation to ISO/IEC 17043.