Test Code 8600 Occult Blood
Purpose
Detection of blood in feces.
Performing Laboratory
Copley Hospital
Methodology
Guaiac
Specimen Requirements
Patient Preparation:
Patients should observe the following drug and diet guidelines prior to specimen collection:
1. For 7 days before and during stool collection period, avoid nonsteroidal anti-inflammatory drugs such as ibuprofen, naproxen, or aspirin (more than 1 adult aspirin a day). Acetaminophen (Tylenol) can be taken as needed.
2. For 3 days before and during stool collection period, avoid vitamin C in excess of 250 mg/day from supplements, and citrus fruits and juices.
3. For 3 days before and during stool collection period, avoid red meats (beef, lamb, and liver).
Submit one of the following specimens:
Specimen Type: Feces (Random)
Container/Tube: Occult Blood Card
Specimen Volume: ≥ 0.5 ml
Collection Instructions:.
1. Follow instructions provided with card.
2. Label specimen with patient’s full name, date of birth,
date & time of collection and person collecting.
3. Keep specimen at room-temperature during transport.
Specimen Type: Feces (Random)
Container/Tube: Sterile Plastic Container
Specimen Volume: ≥ 0.5 ml
Collection Instructions:
1. Label specimen with patient’s full name, date of birth,
date & time of collection and person collecting.
2. Refrigerate specimen during transport.
Reference Values
Normal: Negative
Stability
Refrigerated: 4 Days
Room Temperature: 4 Days
Day(s) Performed
Daily
Available STAT
Analytical Time: 1 Day
Aliases
Occult Blood
Feces
Test Classification and CPT Coding
82270