VA Federal Supply Schedule (FSS) Schedule 621 II solicitation RFP-797-FSS-04-0001-R3 (for Medical Laboratory Testing & Analysis Services). FSS Medical Laboratory Testing and Analysis Service contracts are awarded for anatomic pathology, clinical chemistry, cytogenetics, cytology, clinical drugs of abuse and toxicology, endocrinology, hematology, hemostasis, immunology, microbiology, organ or disease-oriented panels, pharmacogenetics/pharmacogenomics, serology, and