Occult blood, Stool

Instructions

1. Collect a fresh stool sample in a clean, sterile, leak-proof screw-capped container (preferably with a spoon). Take only a small portion (5-10 grams or 1–2 teaspoons). Do not overfill. Do not use matchboxes, paper, or other absorbent materials. Avoid contamination with urine or water. 2. Avoid pain killers, iron tablets, Vitamin C (Ascorbic Acid) and hard tooth brush for 3 days prior to specimen collection. Meat products, especially red meat, as well as raw broccoli, cauliflower, radish, and turnip should also be avoided.