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Occult Blood
MessagePerformed in the Hematology Laboratory x5485, 76
NSAIDS and Vitamin C should be avoided for 72 hrs before sampling.
NSAIDS and Vitamin C should be avoided for 72 hrs before sampling.
Test Code
OBGUA
CPT Codes
82272
Preferred Specimen
Stool
Minimum Volume
NA
Instructions
Hemoccult card has two areas for inoculation. Use two different areas of the sample. Sample will be inoculated by clinic or inpatient staff and sent to the laboratory for testing.
Transport Container
Hemoccult Card
Transport Temperature
Room Temperature.
Specimen Stability
Cards are stable at room temperature for up to 2 weeks after innoculation.
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
If the cards are innoculated too heavily, the sample may be rejected.
Methodology
enzyme/colorimetric
Setup Schedule
24/7
Limitations
Ingesting NSAIDS, vitamin C, and red meat before sample collection can cause false positive results.
Reference Range
Negative
Clinical Significance
Detect GI bleed
