Proficiency Testing/EQA / Coagulation Help Please log in to determine if you are eligible to purchase PT Programs. WHOLE BLOOD COAG-COAGUCHEK, XS PLUS - WP9 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 International normalized ratio (INR) 5 Three shipments per year Prothrombin time 5 For method compatibility, see instrument matrix. Program Information Five 0.3‑mL lyophilized plasma specimens Shipping Schedule Shipment A: January 1 Shipment B: May 15 Shipment C: August 28 Instrument Program Code   WP3 WP4 WP6 WP9 WP10 Abbott CoaguSense™ ✓         ITC Hemochron Jr. Signature / Signature+, Signature Elite and Jr. II - Citrated cuvette   ✓       ITC Hemochron Jr. Signature / Signature+, Signature Elite and Jr. II - Noncitrated cuvette     ✓     i-STAT ✓         Roche CoaguChek XS Plus, XS Pro and CoaguChek Pro II       ✓   Roche CoaguChek XS System         ✓ Guest Log in/Register Customers Who Bought This Item Also Bought An Algorithmic Approach to Hemostasis Testing, 2nd Edition VIEW DETAILS >