Hide Filters Default sorting Default sortingSort by popularitySort by average ratingSort by latestSort by price: low to highSort by price: high to low Vitamin B12 $49.00 Thyroxine ( T4 ) $45.00 Testosterone Free and Total $95.00 T3 Uptake $39.00 Reticulocyte Count $40.00 Rheumatoid Arthritis Factor $45.00 1 2 3 4