Waht Causes A False Positive Fecal Occult Blood Test
Health Encyclopedia: Flushable Reagent Stool Blood Test
Stool occult blood test - flushable home test; Fecal occult blood test - flushable home test
What the risks are
There can be false-positive or false-negative results. These are similar as for the traditional guaiac smear tests.
Special considerations
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Health Guide
Stool guaiac test
Guaiac smear test; Fecal occult blood test - guaiac smear; Stool occult blood test - guaiac smear What the risks are There can be false-positive... Read more »Fecal occult blood test (FOBT)
... Complications of recent GI surgery Angiodysplasia of the colon Note that false positives are common. Additional conditions under which the test may be performed include... Read more »Fecal occult blood test (FOBT)
A fecal occult blood test (FOBT) is a noninvasive test (nothing enters the body). This test detects hidden (occult) blood in the stool. Such blood may come from anywhere along the... Read more »Fecal occult blood test (FOBT)
...in large doses, NSAIDs (anti-inflammatory analgesics), and corticosteroids. Drugs that can cause false positive measurements include colchicine, iron, oxidizing drugs (for example, iodine,... Read more »Colon and Rectal Cancers: Follow-up Testing
...not recommend other follow-up blood tests such as complete blood count (CBC), liver function tests, fecal occult blood tests (FOBT). There appears to be no additional benefit for these tests. Read more »Images
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