Streck's Cell-Chex Auto is now assayed for the Siemens Healthcare Diagnostics Advia 120/2120/2120i instrument system. Cell-Chex Auto is a three-level spinal and body fluid control for evaluating the accuracy and precision of hematology instruments that measure blood cell counts in patient body fluid samples. It is the first automated body fluid cell count control for Abbott, Beckman Coulter, and Sysmex hematology instruments. It is also assayed for the Abbott Cell-Dyn 3200, Sapphire, and Ruby; Beckman Coulter LH 750/755, LH 780/785, and UniCel DxH 800; and Sysmex XE-2100, XE-5000, XT-2000i, XT-1800i, and XT-4000i instruments.