Help Please log in to determine if you are eligible to purchase PT Programs. GLIOMA - GLI Analytes/procedures in bold type are regulated for proficiency testing by the Centers for Medicare & Medicaid Services (CMS). Analyte Challenges per Shipment Number of Shipments MGMT 3 Two shipments per year IDH1, IDH2 3 10q (PTEN) deletion 1 Program Information Four 2.0‑μg gDNA (50ng/μL) specimens One specimen containing four 10.0‑micron unstained paraffin section slides and one H&E slide For laboratories performing molecular testing using PCR Shipping Schedule Shipment A: March 16 Shipment B: August 17 Guest Log in/Register