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)


Interpretive

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:
systemlabguide@fairview.org for TestID: 6474"