Reproductive Endocrinology Assay hCG Control Solution, High Positive and Negative Pregnancy (hCG) Testing High Positive Level / Negative Level 2 X 5 mL
- There are two 5-mL dropper bottles in a box: One a hCG urine control positive; the other, hCG urine control negative
- The lids of these dropper bottles are color-coded – the positive one is red and the negative one is green – so lab technician does not have to read label to ensure she is using the correct control
