Test Code GOCLT or LAB696 Occult Blood, Gastric/Duodenum
Specimen Requirements
Specimen Type: |
Gastric |
Container Type: |
Sterile Container |
Optimal Collection Volume: |
Entire specimen |
Collection Instructions: |
|
Specimen Transport Temperature: |
Refrigerated |
Processing Instructions: |
Deliver sample to urinalysis department. |
Specimen Stability
Specimen Type |
Temperature |
Time |
---|---|---|
Gastric aspirate |
Room Temperature |
24 hours |
Refrigerated |
5 days |
Methodology
Alpha guaiaconic acid reacts with hydrogen peroxide in the presence of heme to produce a highly conjugated blue quinone compound.
Reference Ranges
Negative
Day(s) Performed
24/7
Expected TAT
Same day
Performing Laboratory
Bronson Laboratory, Coagulation - Kalamazoo and Battle Creek
Sample Retention Time
7 days
CPT Code
82271
LOINC Code
2334-1