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CHEMISTRY/THERAPEUTIC DRUG MONITORING - CZ
CZ
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
Alanine aminotransferase (ALT/SGPT) 5 Three shipments per year
Albumin 5
Alkaline phosphatase 5
Amylase 5
Aspartate aminotransferase (AST/SGOT) 5
Bilirubin, direct 5
Bilirubin, total* 5
Calcium 5
Chloride 5
Cholesterol, total 5
Cortisol 5
Creatine kinase (CK) 5
Creatinine 5
Glucose 5
HDL cholesterol 5
Human chorionic gonadotropin (hCG), quantitative 5
Iron 5
Lactate dehydrogenase (LD) 5
LDL cholesterol, measured 5
Lipoprotein (a) 5
Magnesium 5
Pancreatic amylase 5
Potassium 5
Protein, total 5
Sodium 5
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
Triglycerides 5
Urea nitrogen (BUN) 5
Uric acid 5
Acid phosphatase 5
Ammonia 5
Apolipoprotein A1 5
Apolipoprotein B 5
Calcium, ionized 5
Carbon dioxide (CO2) 5
Ferritin 5
Gamma glutamyl transferase (GGT) 5
Iron binding capacity, total (measured) 5
Iron binding capacity, unsaturated (measured) 5
Lactate 5
Lipase 5
Osmolality 5
Phosphorus (inorganic) 5
Prealbumin 5
Transferrin 5
Lithium 5
Acetaminophen 5
Amikacin 5
Caffeine 5
Carbamazepine 5
Carbamazepine, free 5
Digoxin 5
Digoxin, free 5
Disopyramide 5
Ethosuximide 5
Gentamicin 5
Lidocaine 5
Methotrexate 5
N-acetylprocainamide (NAPA) 5
Phenobarbital 5
Phenytoin 5
Phenytoin, free 5
Primidone 5
Procainamide 5
Quinidine 5
Salicylate 5
Theophylline 5
Tobramycin 5
Valproic acid 5
Valproic acid, free 5
Vancomycin 5

*General Chemistry and Therapeutic Drugs programs do not fulfill the neonatal bilirubin proficiency testing requirements for the CAP Accreditation Programs. See programs NB, NB2.


Program Information

  • Five 5.0‑mL liquid serum specimens
  • Conventional and International System of Units (SI) reporting offered
  • For multiple instrument reporting options, see the Quality Cross Check program, CZQ.

Shipping Schedule

  • Shipment A: March 7
  • Shipment B: May 31
  • Shipment C: September 26






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