Fecal occult blood tests.
D039702:Current Procedural Terminology; D005568:Forms and Records Control; D006801:Humans; D007344:Insurance Claim Reporting / Q000145:classification*; D006278:Medicare; D009780:Occult Blood; D009819:Office Visits / Q000191:economics*; D013048:Specimen Handling / Q000145:classification / Q000191:economics*; D014481:United States