TEST ID OCCBLD/OCCBLDX3 OCCULT BLOOD, STOOL
Performing Laboratory
NRLS-Central Processing/Microbiology
Specimen Type
-Stool specimen submitted in sterile container submitted ASAP
-Hemoccult slides previously prepared within 14 days of collection
Specimen Required
Patient Preparation:
-Do not collect samples during or until three days after your menstrual period, while having bleeding hemorrhoids, or blood in your urine.
For 7 days prior to collection: Avoid asprin or other non-steroidal anti-inflammatory drugs
For 3 days prior to collection:
-Avoid Vitamin C in excess of 250mg/day. This includes all supplemental sources and dietary (citrus fruits and juices) Note: Some iron supplements may contain quantities of Vitamin C.
-All red meat. This includes processed meats and liver.
Specimen collection:
-Remove all toilet bowl cleaners from the tank bowl by flushing twice before proceeding.
-It is recommeded to collect 3 consecutive bowel movements, closely spaced in time.
-Collect entire stool collection from a single defecation in a clean, wide-mouth container.
Card Preparation:
-Open the card by lifting the flap on the front of the card
-Make 2 thin smears onto the guiac filter paper areas (Box A and B). Be sure to use different areas of the stool to ensure equal representation of specimen onto the card
-Close the card and insert tab under the flap to keep closed.
-Label with all pertinent information on the front of the card
-Cards containing samples must be sent to the laboratory within 14 days after the first collection.
Submit to the laboratory:
-Label cup with patient name (first and last) or other unique identifier, patient hospital
identification number, date and time of draw, collector initials, and test(s) being
ordered.
-Promptly forward specimen to laboratory at ambient temperature.
Specimen Minimum Volume
-1 g of fresh, unpreserved stool in container
-One properly prepared Hemoccult card
Specimen Stability Information
Specimen Type |
Temperature |
Time |
---|---|---|
Stool inoculated onto Hemoccult cards | Room Temperature (Preferred) | 14 days |
Raw stool (unpreserved) | Room Temperature | ASAP |
Reference Values
An interpretive report will be provided
Rejection Criteria
-Specimen submitted on expired Hemoccult cards
-Specimens other than stool
-Stool in preservatives and/or fixatives
-Specimens collected on cards other than Hemoccult cards