Proficiency Testing/EQA / General Chemistry and Therapeutic Drug Monitoring / Special Chemistry Help Please log in to determine if you are eligible to purchase PT Programs. PLASMA HEMOGLOBIN - PHG 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 Plasma hemoglobin 2 Two shipments per year Program Information Two 2.0‑mL liquid specimens Shipping Schedule Shipment A: March 27 Shipment B: September 11 Guest Log in/Register