Medical Chemical Corp. makes stool collection kits designed for use by the patient. Each kit contains the 30 ml. stool collection vials packed in a Ziplock bag together with collection instructions written in 10 languages. Catalog # 891-04 contains three such vials, a vial half filled with Z-PVA, a vial half filled with formalin fixative and an empty vial. The kits are designed so that the patient can take the kits home and collect the samples by themselves. There are thirty six kits in a case. The country of origin is the United States.