Medical Billing for New Test Reduces Need for Colonoscopy Medical billing reimbursement for colonoscopies may reduce in future years. The introduction of a new test called immunochemical fecal occult blood test (FOBT) is a better indicator of colon cancer. When used correctly, the immunochemical fecal occult blood test severely reduce the need for the colonoscopy in medical billing. During a screening exam, patients usually take a test called guaiac FOBT. If patients test positive for this traditional test, the use of the new immunochemical fecal occult blood test would be in order. Unfortunately, the old test produced many fake positives. This created the need for more colonoscopies to be performed. …