Occult Blood
Blood that is not visible to the naked eye but can be detected chemically in stool.
Why it matters: Positive occult blood may indicate GI bleeding, polyps, ulcers, or colorectal cancer.
What Moves It
May increase with:
GI bleeding
Ulcers
Polyps
Colorectal cancer
NSAIDs
Red meat consumption
May decrease with:
Normal GI tract integrity
Associated Conditions
Colorectal cancerPeptic ulcersInflammatory bowel diseaseHemorrhoids
Related Markers
Common questions
What is Occult Blood?
Blood that is not visible to the naked eye but can be detected chemically in stool.
What might a high or low Occult Blood mean?
Positive occult blood may indicate GI bleeding, polyps, ulcers, or colorectal cancer.
What can affect Occult Blood?
It may be higher with: GI bleeding, Ulcers, Polyps, Colorectal cancer, NSAIDs, Red meat consumption. It may be lower with: Normal GI tract integrity.
Track your Occult Blood over time
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