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HelpTest Code LAB696 Occult Blood, Gastric/Duod
Specimen Requirement
0.5 mL gastric aspirate or vomitus
Specimen Stability
24 hours at 20-25° C
Testing Schedule
Daily
Reference Range
Negative
Testing Department
Chemistry
Method
Oxidation of guaiac by hydrogen peroxide/ blue color
CPT Code
82273
Outpatient Turnaround Time
Within 8 hours of collection
Inpatient STAT Turnaround Time
30 minutes after receipt
Inpatient Routine Turnaround Time
Within 8 hours of collection