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LIGAND GENERAL - K
K
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
Alpha‑fetoprotein (AFP) 5 Three shipments per year
CEA 3
Cortisol 5
Ferritin 3
Folate, serum 3
hCG, quantitative 5
Immunoglobulin E (IgE) 5
Prostate‑specific antigen (PSA) 2
Prostate‑specific antigen, complexed (cPSA) 2
Prostate‑specific antigen, free 2
Prostatic acid phosphatase (PAP) 3
Triiodothyronine (T3), free 5
Triiodothyronine (T3), total 5
T3 uptake and related tests 5
Thyroxine (T4), free 5
Thyroxine (T4), total 5
Thyroid‑stimulating hormone (TSH) 5
Vitamin B12 3

Program Information

  • Five 5.0‑mL liquid serum specimens

Shipping Schedule

  • Shipment A: April 6
  • Shipment B: July 20
  • Shipment C: November 9






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