CVS Pharmacy at home A1C test kit is for home use monitoring of glycemic control in patients with monitoring of glycemic control in patients with diabetes. Kit Includes: 1 A1C monitor, 2 cartridge pouches, 2 shaker pouches, 1 quick reference guide, 1 overview and helpful hints guide. Results in 5 minutes. Easy to use. The following conditions may effect the accuracy of your A1C result: hemoglobin variants (HbS, HbC), elevated HbF, anemia, recent significant blood loss, a recent blood transfusion or high amounts of rheumatoid factor.