Blood, Feces, Point of Care Testing (POCT)

Abbrev Code:OBLD   
Order Code:POC13Order Name:Occult Blood, Stool, POCT
Order Instructions:POC13 is for use with inpatients. For outpatients use Epic Code LAB5729.
Synonyms:Blood Guaiac Test; Hemoccult
Methodology:Guaiac Test
CPT Codes: 82272 x1
Turnaround Time:Performed and reported 24 hours/day.
Special Instructions:For monitoring GI bleeding, random fecal specimens are tested; stomach contents or vomitus should be tested using Gastroccult.

Collection Instructions

Specimen:Feces or a prepared guaiac test slide
Optimal Volume:5 mL liquid specimen or quarter sized solid specimen
Minimum\Peds Volume:1 mL
Container:See Collection Instructions
Alternate Containers: Plastic leakproof container, sterile
Collection Instructions:
  • Do not collect samples during or until 3 days after menstrual period or if hematuria or obvious rectal bleeding, e.g. hemorrhoids are present.
  • For 7 days prior to and during the test period, do not take more than one adult aspirin (325 mg) a day and no other non-steroidal drugs (ibuprofen).
  • For 3 days prior to and during the test period, avoid Vitamin C in excess of 250 mg/day (for all sources, dietary and supplemental, e.g. some iron supplements contain > 250 mg Vitamin C).
  • For 3 days prior to and during the test period, avoid red meat, including processed meats and liver; avoid melons, radishes, turnips and horseradish.
  • Remove toilet bowl cleaners from toilet tank and flush twice prior to specimen collection.
  • Coumadin and other prescription medications are usually not restricted.
  • Inpatient Collection: For fecal collection refer to the instructions provided in the Laboratory Guide Appendix, Collection Procedures: Fecal Collection, Random/Timed. A small fecal specimen is applied to the guaiac paper of the slide as a thin smear using the applicator stick provided. Slides may be developed 3-5 minutes after sample application.

Processing and Shipping

Specimen Processing:Store specimen cup in refrigerator.
Shipping Instructions:Ship slides at room temperature. Must arrive within 14 days.
Test Performed at or Referral Lab Point of Care  (Lakes ED Only, UMMC East Bank, UMMC West Bank)


Reference Range:Blood: Negative.
Use:Detection and monitoring of gastrointestinal bleeding.

Click HERE to Report test errors or omissions.
*If no email program is associated with this computer, please contact: for TestID: 6474"