Bio-Rad Laboratories

(A2LA Cert. No. 3233.01) Revised 9/10/2024 Page 3 of 9 PROGRAM NAME FREQUENCY ANALYTES MEASURED1 Clinical Chemistry (Monthly) Program (Continued) 22. Creatinine 23. Gamma Glutamyl Transferase (GGT) 24. Glucose 25. Iron 26. Iron Binding Capacity, Total (TIBC) 27. Iron Binding Capacity, Unsaturated (UIBC) 28. Lactate (Lactic Acid) 29. Lactate Dehydrogenase (LDH) 30. Lipase 31. Lithium 32. Magnesium 33. Osmolality 34. Phosphorus 35. Potassium 36. Protein (Total) 37. Sodium 38. Thyroid Stimulating Hormone (TSH) 39. Thyroxine (T4), Free 40. Thyroxine (T4), Total 41. Transferrin 42. Triglycerides 43. Triiodothyronine (T3), Free 44. Triiodothyronine (T3), Total 45. Urea 46. Urea Nitrogen 47. Uric Acid 48. Zinc 49. Bile Acid Coagulation Program One distribution of 12 samples every 12 months. One sample to be tested every month. These lyophilized proficiency samples are prepared from human plasma with added chemicals and stabilizers. Analytes: 1. Activated Partial Thromboplastin Time (APTT) 2. Antithrombin III (ATIII) 3. D-dimer 4. Factor VIII 5. Fibrinogen 6. International Normalized Ratio (INR) 7. Prothrombin Time (PT) 8. Protein C 9. Protein S 10. Thrombin Time (TT) 11. Von Willibrand Factor (vWF)

(A2LA Cert. No. 3233.01) Revised 9/10/2024 Page 4 of 9 PROGRAM NAME FREQUENCY ANALYTES MEASURED1 Ethanol/Ammonia Program One distribution of 12 samples every 12 months. One sample to be tested every month. These liquid proficiency samples are prepared from human serum and purified chemicals with added preservatives and stabilizers. Analytes: 1. Ethanol 2. Ammonia Hematology Program Four distribution of 3 samples every 12 months. One sample to be tested every month. These liquid proficiency samples are prepared from human erythrocytes, mammalian leukocytes and platelets with preservatives. Analytes: 1. Hematocrit (HCT) 2. Hemoglobin (Total) 3. Mean Corpuscular Hemoglobin (MCH) 4. Mean Corpuscular Hemoglobin Concentration (MCHC) 5. Mean Corpuscular Volume (MCV) 6. Mean Platelet Volume (MPV) 7. Platelets (PLT) 8. Red Blood Cells (RBC) 9. Red Blood Cell Distribution Width (RDW) 10. Red Blood Cell Distribution Width Standard Deviation (RDW-SD) 11. White Blood Cells (WBC) Hemoglobin Program One distribution of 12 samples every 12 months. One sample to be tested every month. These lyophilized proficiency samples are prepared from human whole blood with added stabilizers and preservatives. Analytes: 1. Hemoglobin A1C 2. Hemoglobin A2 3. Hemoglobin (Total Glycated) HIV/Hepatitis Program One distribution of 12 samples every 12 months. One sample to be tested every month. These liquid samples are prepared with human source material with added constituents of animal origin and preservatives. Analytes: 1. Anti HAV 2. HAV IgG 3. HAV IgM 4. Anti HBc 5. HBc IgM 6. Anti HBe

(A2LA Cert. No. 3233.01) Revised 9/10/2024 Page 6 of 9 PROGRAM NAME FREQUENCY ANALYTES MEASURED1 Immunoassay (Monthly) Program (Continued) One distribution of 12 samples every 12 months. One sample to be tested every month. 38. Prolactin 39. Prostate Specific Antigen (PSA), Free 40. PSA- Free/Total (Ratio) 41. Prostate Specific Antigen (PSA), Total 42. Renin (Direct) 43. S100 Protein 44. Sex Hormone Binding Globulin (SHBG) 45. T-Uptake 46. T3 Uptake 47. Testosterone 48. Theophylline 49. Thyroglobulin (Tg) 50. Thyroid Stimulating Hormone (TSH) 51. Thyroxine (T4), Free 52. Thyroxine (T4), Total 53. Thyroxine Binding Globulin (TBG) 54. Transferrin 55. Triiodothyronine (T3), Free 56. Triiodothyronine (T3), Total 57. Valproic Acid 58. Vitamin B12 59. Fructosamine 60. Free Testosterone Lipids Program One distribution of 12 samples every 12 months. One sample to be tested every month. These liquid proficiency samples are prepared from human serum with added constituents of human origin, preservatives and stabilizers. Analytes: 1. Apolipoprotein A1 2. Apolipoprotein B 3. Cholesterol, HDL 4. Cholesterol, LDL 5. Cholesterol, Total 6. Triglycerides 7. Lipoprotein(a) Serum Proteins Program One distribution of 12 samples every 12 months. One sample to be tested every month. These lyophilized proficiency samples are prepared from human serum with added constituents of animal origin, chemicals Analytes: 1. α -1-Acid Glycoprotein 2. α-1 Antitrypsin 3. α-2 Macroglobulin 4. β-2 Microglobulin 5. Albumin 6. Antistreptolysin O (ASO) 7. C-Reactive Protein (CRP) 8. Ceruloplasmin 9. Complement C3 10. Complement C4

(A2LA Cert. No. 3233.01) Revised 9/10/2024 Page 7 of 9 PROGRAM NAME FREQUENCY ANALYTES MEASURED1 Serum Proteins Program (Continued) One distribution of 12 samples every 12 months. One sample to be tested every month. 11. Haptoglobin 12. Immunoglobulin A (IgA) 13. Immunoglobulin E (IgE) 14. Immunoglobulin G (IgG) 15. Immunoglobulin M (IgM) 16. Kappa Light Chain 17. Lambda Light Chain 18. Prealbumin 19. Protein (Total) 20. Rheumatoid Factor 21. Transferrin Specialty Immunoassay Program One distribution of 12 samples every 12 months. One sample to be tested every month. These liquid proficiency samples are prepared from defibrinated human plasma with added chemicals, constituents of human and animal origin, stabilizers and preservatives. Analytes: 1. 25-Hydroxy Vitamin D 2. Active B12/HoloTC 3. Anti-Thyroglobulin (Anti-Tg) 4. Anti-Thyroperoxidase (Anti-TPO) 5. C-Peptide 6. Erythropoietin (EPO) 7. Fructosamine 8. IGF-1/Somatomedin C 9. Interleukin-6 (IL-6) 10. Osteocalcin 11. Procalcitonin 12. PTH (Intact) 13. TSH Receptor Antibody (TRAb) Syphilis/Chagas Program One distribution of 12 samples every 12 months. One sample to be tested every month. These liquid samples are prepared from human source material with added preservatives. Analytes: 1. Non-Treponemal Antibodies 2. Treponema pallidum IgG 3. Treponema pallidum Antibodies 4. Trypanosoma cruzi Antibodies Therapeutic Drug Monitoring Program One distribution of 12 samples every 12 months. One sample to be tested every month These lyophilized proficiency samples are prepared from defibrinated human plasma with added chemicals and therapeutic drugs. Analytes: 1. Acetaminophen 2. Amikacin 3. Amitriptyline 4. Caffeine 5. Carbamazepine 6. Cyclosporine 7. Digoxin

(A2LA Cert. No. 3233.01) Revised 9/10/2024 Page 8 of 9 PROGRAM NAME FREQUENCY ANALYTES MEASURED1 Therapeutic Drug Monitoring Program (Continued) One distribution of 12 samples every 12 months. One sample to be tested every month 8. Ethosuximide 9. Gentamicin 10. Lithium 11. Methotrexate 12. Nortriptyline 13. Phenobarbital 14. Phenytoin 15. Primidone 16. Salicylate 17. Theophylline 18. Tobramycin 19. Tricyclic Antidepressants (TCA) Screen 20. Valproic Acid 21. Vancomycin ToRCH/EBV/MuMZ Program One distribution of 12 samples every 12 months. One sample to be tested every month. These liquid samples are prepared from human source material with added preservatives. Analytes: 1. Cytomegalovirus (CMV) IgG 2. Cytomegalovirus (CMV) IgM 3. Epstein-Barr Virus (EBNA) IgG 4. Epstein-Barr Virus (VCA) IgG 5. Epstein-Barr Virus (VCA) IgM 6. Herpes Simplex Virus (HSV-1) IgG 7. Herpes Simplex Virus (HSV-2) IgG 8. Herpes Simplex Virus (HSV1/2) IgG 9. Measles Virus (Rubeola) IgG 10. Mumps Virus IgG 11. Rubella Virus IgG 12. Rubella Virus IgM 13. Toxoplasma gondii (Toxo) IgG 14. Toxoplasma gondii (Toxo) IgM 15. Varicella Zoster Virus (VZV) IgG Urinalysis Program One distribution of 12 samples every 12 months. One sample to be tested every month. These liquid samples are prepared with human erythrocytes, constituents of animal origin, chemicals, and preservatives. Analytes: 1. Albumin 2. Albumin-to-Creatinine Ratio 3. Bilirubin 4. Blood (Hemoglobin) 5. Creatinine 6. Glucose 7. Human Chorionic Gonadotropin (hCG) 8. Ketones

(A2LA Cert. No. 3233.01) Revised 9/10/2024 Page 9 of 9 PROGRAM NAME FREQUENCY ANALYTES MEASURED1 Urinalysis Program (continued) One distribution of 12 samples every 12 months. One sample to be tested every month. 9. Leukocytes 10. Nitrites 11. pH 12. Protein (Total) 13. Protein-to-Creatinine Ratio 14. Specific Gravity 15. Urobilinogen Urine Chemistry Program One distribution of 12 samples every 12 months. One sample to be tested every month. These lyophilized proficiency samples are prepared from human urine with added chemicals, hormones and stabilizers. Analytes: 1. 5-Hydroxyindoleacetic Acid (5-HIAA) 2. Calcium (Total) 3. Chloride 4. Cortisol (Free) 5. Creatinine 6. Dopamine 7. Epinephrine 8. Glucose 9. Homovanillic Acid (HVA) 10. Magnesium 11. Metanephrine 12. Microalbumin 13. Norepinephrine 14. Normetanephrine 15. Osmolality 16. Phosphorus 17. Potassium 18. Protein Total 19. Sodium 20. Urea Nitrogen 21. Uric Acid 22. Vanillylmandelic Acid (VMA) 1Analytes/parameters in each program are targeted per defined specifications. Assigned values and associated uncertainties are known values with results determined by finished product testing of proficiency program.