Test Code OCLB Occult Blood
Performing Laboratory
YRMC, Microbiology
Day(s) Test Set Up
Outpatient:
Monday through Friday 0600 to 1930
Saturday and Sunday 0600 to 1430
Inpatient:
Point of Care Testing
Specimen Requirements
Stool submitted in the Hemosure® Fecal Occult Blood Fecal Collection tube.
Specimen Transport Temperature
Ambient.
Reference Values
Negative
Test Classification and CPT Coding
82274 – Blood, occult, by fecal hemoglobin determination by immunoassay, qualititative.
Collection Instructions
The Hemosure test requires only a small amount of fecal sample. The specimen should be collected with the use of the provided collection paper and free from toilet bowl water.
A specimen should not be collected from a patient with the following conditions that may interfere with the test results:
- Menstrual Bleeding
- Patients with visibily bloody stools
- Bleeding Hemorrhoids.
- Bleeding due to Constipation
- Urinary Bleeding (females only)
Collection Procedure:
- Retrieve one Fecal Collection Tube and one Test Cassette (if refrigerated, allow to come to room temperature – up to 30 minutes).
- Unscrew the cap of the Fecal Collection Tube and remove Applicator Stick.
- Randomly insert the Applicator Stick into the fecal sample from three (3) to six (6) times.
- Do NOT clump, scoop, or fill the tube.
- Return the Applicator Stick into the Fecal Collection Tube and tighten the cap thoroughly. Shake the tube to mix the sample with the Extraction Buffer.
Methodology
Immunochemical test qualitative determination of Fecal Occult Blood
Loinc Code
29771-3